CVE-2026-8480
Full vulnerability record from the local CVENow database.
Description
A vulnerability was discovered on Stormshield Network Security 4.3.0 to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included) A revoked client certificate can still be used to authenticate to the captive‑admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access.
Severity
MEDIUM
CVSS score
4.3
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-07-01 16:16:53.730000
Last modified
2026-10-25 17:10:00.197000
View original CVE JSON
{
"id": "CVE-2026-8480",
"sourceIdentifier": "[email protected]",
"published": "2026-07-01T16:16:53.730",
"lastModified": "2026-10-25T17:10:00.197",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was discovered on Stormshield Network Security 4.3.0 to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included)\n\n\n\nA revoked client certificate can still be used to authenticate to the captive‑admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access."
},
{
"lang": "es",
"value": "Una vulnerabilidad fue descubierta en Stormshield Network Security 4.3.0 a 4.3.41 (incluido), 4.4.0 a 4.8.15 (incluido), 5.0.2 EA a 5.0.5 (incluido).\n\nUn certificado de cliente revocado aún puede ser utilizado para autenticarse en el portal cautivo de administración, permitiendo a un atacante que posee el certificado revocado obtener acceso administrativo."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Stormshield",
"product": "Stormshield Network Security",
"defaultStatus": "unknown",
"versions": [
{
"version": "4.3.0",
"lessThanOrEqual": "4.3.41",
"versionType": "semver",
"status": "affected"
},
{
"version": "4.4.0",
"lessThanOrEqual": "4.8.15",
"versionType": "semver",
"status": "affected"
},
{
"version": "5.0.2 EA",
"lessThanOrEqual": "5.0.5",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-01T15:44:58.262034Z",
"id": "CVE-2026-8480",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-295"
}
]
}
],
"references": [
{
"url": "https://advisories.stormshield.eu/2026-002/",
"source": "[email protected]"
}
]
}