CVE-2026-20209
Full vulnerability record from the local CVENow database.
Description
A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to elevate their privileges from low to high and perform actions as a high-privileged user. This vulnerability exists because sensitive session information is recorded in audit logs. An attacker could exploit this vulnerability by elevating their read-only permissions in Cisco Catalyst SD-WAN Manager to those of a high-privileged user. A successful exploit could allow the attacker to perform actions as a high-privileged user.
Severity
MEDIUM
CVSS score
5.4
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-05-14 17:16:19.750000
Last modified
2026-10-26 14:10:00.130000
View original CVE JSON
{
"id": "CVE-2026-20209",
"sourceIdentifier": "[email protected]",
"published": "2026-05-14T17:16:19.750",
"lastModified": "2026-10-26T14:10:00.130",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to elevate their privileges from low to high and perform actions as a high-privileged user.\r\n\r\nThis vulnerability exists because sensitive session information is recorded in audit logs. An attacker could exploit this vulnerability by elevating their read-only permissions in Cisco Catalyst SD-WAN Manager to those of a high-privileged user. A successful exploit could allow the attacker to perform actions as a high-privileged user."
},
{
"lang": "es",
"value": "Una vulnerabilidad en la interfaz de usuario web de Cisco Catalyst SD-WAN Manager, anteriormente SD-WAN vManage, podría permitir a un atacante remoto y autenticado con permisos de solo lectura elevar sus privilegios de bajos a altos y realizar acciones como un usuario con privilegios elevados.\n\nEsta vulnerabilidad existe porque información sensible de la sesión se registra en los registros de auditoría. Un atacante podría explotar esta vulnerabilidad elevando sus permisos de solo lectura en Cisco Catalyst SD-WAN Manager a los de un usuario con privilegios elevados. Un exploit exitoso podría permitir al atacante realizar acciones como un usuario con privilegios elevados."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco Catalyst SD-WAN Manager",
"defaultStatus": "unknown",
"versions": [
{
"version": "20.1.12",
"status": "affected"
},
{
"version": "19.2.1",
"status": "affected"
},
{
"version": "18.4.4",
"status": "affected"
},
{
"version": "18.4.5",
"status": "affected"
},
{
"version": "20.1.1.1",
"status": "affected"
},
{
"version": "20.1.1",
"status": "affected"
},
{
"version": "19.3.0",
"status": "affected"
},
{
"version": "19.2.2",
"status": "affected"
},
{
"version": "19.2.099",
"status": "affected"
},
{
"version": "18.3.6",
"status": "affected"
},
{
"version": "18.3.7",
"status": "affected"
},
{
"version": "19.2.0",
"status": "affected"
},
{
"version": "18.3.8",
"status": "affected"
},
{
"version": "19.0.0",
"status": "affected"
},
{
"version": "19.1.0",
"status": "affected"
},
{
"version": "18.4.302",
"status": "affected"
},
{
"version": "18.4.303",
"status": "affected"
},
{
"version": "19.2.097",
"status": "affected"
},
{
"version": "19.2.098",
"status": "affected"
},
{
"version": "17.2.10",
"status": "affected"
},
{
"version": "18.3.6.1",
"status": "affected"
},
{
"version": "19.0.1a",
"status": "affected"
},
{
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"status": "affected"
},
{
"version": "18.4.3",
"status": "affected"
},
{
"version": "18.4.1",
"status": "affected"
},
{
"version": "17.2.8",
"status": "affected"
},
{
"version": "18.3.3.1",
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{
"version": "18.4.0",
"status": "affected"
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{
"version": "18.3.1",
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{
"version": "17.2.6",
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},
{
"version": "17.2.9",
"status": "affected"
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{
"version": "18.3.4",
"status": "affected"
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{
"version": "17.2.5",
"status": "affected"
},
{
"version": "18.3.1.1",
"status": "affected"
},
{
"version": "18.3.5",
"status": "affected"
},
{
"version": "18.4.0.1",
"status": "affected"
},
{
"version": "18.3.3",
"status": "affected"
},
{
"version": "17.2.7",
"status": "affected"
},
{
"version": "17.2.4",
"status": "affected"
},
{
"version": "18.3.0",
"status": "affected"
},
{
"version": "19.2.3",
"status": "affected"
},
{
"version": "18.4.501_ES",
"status": "affected"
},
{
"version": "20.3.1",
"status": "affected"
},
{
"version": "20.1.2",
"status": "affected"
},
{
"version": "19.2.929",
"status": "affected"
},
{
"version": "19.2.31",
"status": "affected"
},
{
"version": "20.3.2",
"status": "affected"
},
{
"version": "19.2.32",
"status": "affected"
},
{
"version": "20.3.2_925",
"status": "affected"
},
{
"version": "20.3.2.1",
"status": "affected"
},
{
"version": "20.3.2.1_927",
"status": "affected"
},
{
"version": "18.4.6",
"status": "affected"
},
{
"version": "20.1.2_937",
"status": "affected"
},
{
"version": "20.4.1",
"status": "affected"
},
{
"version": "20.3.2_928",
"status": "affected"
},
{
"version": "20.3.2_929",
"status": "affected"
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{
"version": "20.4.1.0.1",
"status": "affected"
},
{
"version": "20.3.2.1_930",
"status": "affected"
},
{
"version": "19.2.4",
"status": "affected"
},
{
"version": "20.5.0.1.1",
"status": "affected"
},
{
"version": "20.4.1.1",
"status": "affected"
},
{
"version": "20.3.3",
"status": "affected"
},
{
"version": "19.2.4.0.1",
"status": "affected"
},
{
"version": "20.3.2_937",
"status": "affected"
},
{
"version": "20.3.3.1",
"status": "affected"
},
{
"version": "20.5.1",
"status": "affected"
},
{
"version": "20.1.3",
"status": "affected"
},
{
"version": "20.3.3.0.4",
"status": "affected"
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{
"version": "20.3.3.1.2",
"status": "affected"
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{
"version": "20.3.3.1.1",
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{
"version": "20.4.1.2",
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{
"version": "20.3.3.0.2",
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{
"version": "20.4.1.1.5",
"status": "affected"
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{
"version": "20.4.1.0.01",
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},
{
"version": "20.4.1.0.02",
"status": "affected"
},
{
"version": "20.3.3.1.7",
"status": "affected"
},
{
"version": "20.3.3.1.5",
"status": "affected"
},
{
"version": "20.5.1.0.1",
"status": "affected"
},
{
"version": "20.3.3.1.10",
"status": "affected"
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{
"version": "20.3.3.0.8",
"status": "affected"
},
{
"version": "20.4.2",
"status": "affected"
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{
"version": "20.4.2.0.1",
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{
"version": "20.3.4",
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{
"version": "20.3.3.0.14",
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{
"version": "19.2.4.0.8",
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{
"version": "19.2.4.0.9",
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{
"version": "20.3.4.0.1",
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{
"version": "20.3.2.0.5",
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{
"version": "20.6.1",
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{
"version": "20.5.1.0.2",
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{
"version": "20.3.3.0.17",
"status": "affected"
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{
"version": "20.6.1.1",
"status": "affected"
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{
"version": "20.6.0.18.3",
"status": "affected"
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{
"version": "20.3.2.0.6",
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{
"version": "20.6.0.18.4",
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{
"version": "20.4.2.0.2",
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{
"version": "20.3.3.0.16",
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{
"version": "20.3.4.0.5",
"status": "affected"
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{
"version": "20.6.1.0.1",
"status": "affected"
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{
"version": "20.3.4.0.6",
"status": "affected"
},
{
"version": "20.6.2",
"status": "affected"
},
{
"version": "20.7.1EFT2",
"status": "affected"
},
{
"version": "20.3.4.0.9",
"status": "affected"
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{
"version": "20.3.4.0.11",
"status": "affected"
},
{
"version": "20.4.2.0.4",
"status": "affected"
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{
"version": "20.3.3.0.18",
"status": "affected"
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{
"version": "20.7.1",
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{
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{
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{
"version": "20.5.1.1",
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{
"version": "20.4.2.1",
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{
"version": "20.4.2.1.1",
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{
"version": "20.3.4.1.1",
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{
"version": "20.3.813",
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{
"version": "20.3.4.0.19",
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{
"version": "20.4.2.2.1",
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{
"version": "20.5.1.2",
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{
"version": "20.3.4.2",
"status": "affected"
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{
"version": "20.3.814",
"status": "affected"
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{
"version": "20.4.2.2",
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{
"version": "20.6.2.2",
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{
"version": "20.3.4.2.1",
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{
"version": "20.7.1.1",
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{
"version": "20.3.4.1.2",
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{
"version": "20.6.2.2.2",
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{
"version": "20.3.4.0.20",
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{
"version": "20.6.2.2.3",
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{
"version": "20.4.2.2.2",
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{
"version": "20.3.5",
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{
"version": "20.6.2.0.4",
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{
"version": "20.4.2.2.3",
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{
"version": "20.3.4.0.24",
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{
"version": "20.6.2.2.7",
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{
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{
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{
"version": "20.4.2.2.4",
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{
"version": "20.7.1.0.2",
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{
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{
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{
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{
"version": "20.4.2.2.8",
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{
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{
"version": "20.6.3.0.7",
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{
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{
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{
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{
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{
"version": "20.9.1EFT2",
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{
"version": "20.6.3.0.11",
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{
"version": "20.6.3.1",
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{
"version": "20.6.3.0.14",
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{
"version": "20.6.4",
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{
"version": "20.9.1",
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{
"version": "20.6.3.0.19",
"status": "affected"
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{
"version": "20.6.3.0.18",
"status": "affected"
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{
"version": "20.3.6",
"status": "affected"
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{
"version": "20.9.1.1",
"status": "affected"
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{
"version": "20.6.3.0.23",
"status": "affected"
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{
"version": "20.6.4.0.4",
"status": "affected"
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{
"version": "20.6.3.0.25",
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{
"version": "20.6.5",
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{
"version": "20.6.3.0.27",
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{
"version": "20.9.2",
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{
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{
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{
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{
"version": "20.6.3.0.32",
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{
"version": "20.10.1",
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{
"version": "20.6.3.0.33",
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{
"version": "20.9.2.0.01",
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{
"version": "20.9.1_LI_Images",
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{
"version": "20.10.1_LI_Images",
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{
"version": "20.9.2_LI_Images",
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{
"version": "20.3.7",
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{
"version": "20.9.3",
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{
"version": "20.6.5.1",
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{
"version": "20.11.1",
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{
"version": "20.11.1_LI_Images",
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{
"version": "20.9.3_LI_ Images",
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{
"version": "20.6.3.1.1",
"status": "affected"
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{
"version": "20.9.3.0.2",
"status": "affected"
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{
"version": "20.6.5.1.2",
"status": "affected"
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{
"version": "20.9.3.0.3",
"status": "affected"
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{
"version": "20.4.2.3",
"status": "affected"
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{
"version": "20.6.3.2",
"status": "affected"
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{
"version": "20.6.4.1",
"status": "affected"
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{
"version": "20.6.3.0.38",
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{
"version": "20.6.3.0.39",
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{
"version": "20.3.5.1",
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{
"version": "20.3.4.3",
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{
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{
"version": "20.3.3.2",
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{
"version": "20.6.5.2",
"status": "affected"
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{
"version": "20.3.7.1",
"status": "affected"
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{
"version": "20.10.1.1",
"status": "affected"
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{
"version": "20.6.5.2.1",
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{
"version": "20.3.4.0.25",
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{
"version": "20.6.2.2.4",
"status": "affected"
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{
"version": "20.6.1.2",
"status": "affected"
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{
"version": "20.11.1.1",
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{
"version": "20.9.3.0.5",
"status": "affected"
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{
"version": "20.3.4.0.26",
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{
"version": "20.6.5.1.3",
"status": "affected"
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{
"version": "20.6.3.0.40",
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{
"version": "20.1.3.1",
"status": "affected"
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{
"version": "20.9.2.2",
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{
"version": "20.6.5.2.3",
"status": "affected"
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{
"version": "20.6.5.1.4",
"status": "affected"
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{
"version": "20.6.5.3",
"status": "affected"
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{
"version": "20.6.3.0.41",
"status": "affected"
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{
"version": "20.9.3.0.7",
"status": "affected"
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{
"version": "20.6.5.1.5",
"status": "affected"
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{
"version": "20.9.3.0.4",
"status": "affected"
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{
"version": "20.6.4.0.19",
"status": "affected"
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{
"version": "20.6.5.1.6",
"status": "affected"
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{
"version": "20.9.3.0.8",
"status": "affected"
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{
"version": "20.6.3.3",
"status": "affected"
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{
"version": "20.3.7.2",
"status": "affected"
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{
"version": "20.6.5.4",
"status": "affected"
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{
"version": "20.6.5.1.7",
"status": "affected"
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{
"version": "20.9.3.0.12",
"status": "affected"
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{
"version": "20.6.4.2",
"status": "affected"
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{
"version": "20.6.5.5",
"status": "affected"
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{
"version": "20.9.3.2",
"status": "affected"
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{
"version": "20.11.1.2",
"status": "affected"
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{
"version": "20.6.3.4",
"status": "affected"
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{
"version": "20.10.1.2",
"status": "affected"
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{
"version": "20.6.5.1.9",
"status": "affected"
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{
"version": "20.9.3.0.16",
"status": "affected"
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{
"version": "20.6.3.0.45",
"status": "affected"
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{
"version": "20.6.5.1.10",
"status": "affected"
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{
"version": "20.9.3.0.17",
"status": "affected"
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{
"version": "20.6.5.2.4",
"status": "affected"
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{
"version": "20.6.4.0.21",
"status": "affected"
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{
"version": "20.9.3.0.18",
"status": "affected"
},
{
"version": "20.6.3.0.46",
"status": "affected"
},
{
"version": "20.6.3.0.47",
"status": "affected"
},
{
"version": "20.9.2.3",
"status": "affected"
},
{
"version": "20.9.3.2_LI_Images",
"status": "affected"
},
{
"version": "20.9.3.0.21",
"status": "affected"
},
{
"version": "20.9.3.0.20",
"status": "affected"
},
{
"version": "20.9.4_LI_Images",
"status": "affected"
},
{
"version": "20.9.4",
"status": "affected"
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{
"version": "20.6.5.1.11",
"status": "affected"
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{
"version": "20.12.1",
"status": "affected"
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{
"version": "20.12.1_LI_Images",
"status": "affected"
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{
"version": "20.6.5.1.13",
"status": "affected"
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{
"version": "20.9.3.0.23",
"status": "affected"
},
{
"version": "20.6.5.2.8",
"status": "affected"
},
{
"version": "20.9.4.1",
"status": "affected"
},
{
"version": "20.9.4.1_LI_Images",
"status": "affected"
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{
"version": "20.9.3.0.25",
"status": "affected"
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{
"version": "20.9.3.0.24",
"status": "affected"
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{
"version": "20.6.5.1.14",
"status": "affected"
},
{
"version": "20.3.8",
"status": "affected"
},
{
"version": "20.6.6",
"status": "affected"
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{
"version": "20.9.3.0.26",
"status": "affected"
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{
"version": "20.6.3.0.51",
"status": "affected"
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{
"version": "20.9.3.0.29",
"status": "affected"
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{
"version": "20.12.2",
"status": "affected"
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],
"metrics": {
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{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
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"impactScore": 2.5
}
],
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{
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"id": "CVE-2026-20209",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
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}
],
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}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-779"
}
]
}
],
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"source": "[email protected]",
"tags": [
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},
{
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"source": "[email protected]",
"tags": [
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]
}
]
}