CVE-2026-20191
Full vulnerability record from the local CVENow database.
Description
A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to read arbitrary files from a restricted container of the affected device.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-01 17:16:29.330000
Last modified
2026-10-25 17:10:00.197000
View original CVE JSON
{
"id": "CVE-2026-20191",
"sourceIdentifier": "[email protected]",
"published": "2026-07-01T17:16:29.330",
"lastModified": "2026-10-25T17:10:00.197",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container. \r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to read arbitrary files from a restricted container of the affected device."
},
{
"lang": "es",
"value": "Una vulnerabilidad en Cisco Catalyst Center podría permitir a un atacante remoto no autenticado leer archivos arbitrarios de un contenedor restringido.\n\nEsta vulnerabilidad se debe a una validación insuficiente de la entrada proporcionada por el usuario. Un atacante podría explotar esta vulnerabilidad enviando una solicitud HTTP manipulada a un dispositivo afectado. Un exploit exitoso podría permitir al atacante leer archivos arbitrarios de un contenedor restringido del dispositivo afectado."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco Catalyst Center",
"defaultStatus": "unknown",
"versions": [
{
"version": "2.3.7.0-VA",
"status": "affected"
},
{
"version": "2.3.7.5-VA",
"status": "affected"
},
{
"version": "2.3.7.6-VA",
"status": "affected"
},
{
"version": "2.3.7.7-VA",
"status": "affected"
},
{
"version": "2.3.7.9-VA",
"status": "affected"
},
{
"version": "3.1.3",
"status": "affected"
},
{
"version": "3.1.3-VA",
"status": "affected"
},
{
"version": "2.3.7.10-VA",
"status": "affected"
},
{
"version": "3.1.5",
"status": "affected"
},
{
"version": "3.1.5-VA",
"status": "affected"
},
{
"version": "3.1.5-VA on AWS",
"status": "affected"
},
{
"version": "3.1.5-RevUp",
"status": "affected"
},
{
"version": "3.1.6",
"status": "affected"
},
{
"version": "3.1.6-VA",
"status": "affected"
},
{
"version": "3.1.6-BETA",
"status": "affected"
},
{
"version": "3.1.6-GSMU100",
"status": "affected"
},
{
"version": "3.1.6-VA-GSMU100",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-01T17:18:27.744122Z",
"id": "CVE-2026-20191",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-22"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:cisco:catalyst_center:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.3.7.0",
"versionEndIncluding": "2.3.7.11",
"matchCriteriaId": "4AF7BD4B-F1E3-4C22-9466-10778ED5603C"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:cisco:catalyst_center:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.1.3",
"versionEndExcluding": "3.1.6-75524.200",
"matchCriteriaId": "5C708AD2-6D78-4708-A684-EEA9B1980951"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:cisco:catalyst_center_global_manager:*:*:*:*:*:*:*:*",
"versionEndExcluding": "1.4.1",
"matchCriteriaId": "47F314DC-372A-40F8-9A1D-053DECFF9FAD"
}
]
}
]
}
],
"references": [
{
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catc-file-read-wLH2vf8X",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}