CVE-2026-20241
Full vulnerability record from the local CVENow database.
Description
A vulnerability in the authorization mechanism of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an unauthenticated, remote attacker to obtain an endpoint identity certificate. This vulnerability is due to improper authorization checks. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to bypass authorization to obtain an endpoint certificate.
Severity
MEDIUM
CVSS score
5.3
(v3.1)
Vulnerability status
Received
Source identifier
Published
2026-11-04 17:17:35.883000
Last modified
2026-11-04 19:17:40.073000
View original CVE JSON
{
"id": "CVE-2026-20241",
"sourceIdentifier": "[email protected]",
"published": "2026-11-04T17:17:35.883",
"lastModified": "2026-11-04T19:17:40.073",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the authorization mechanism of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an unauthenticated, remote attacker to obtain an endpoint identity certificate.\r\n\r\nThis vulnerability is due to improper authorization checks. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to bypass authorization to obtain an endpoint certificate."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco Identity Services Engine Software",
"defaultStatus": "unknown",
"versions": [
{
"version": "3.1.0",
"status": "affected"
},
{
"version": "3.1.0 p1",
"status": "affected"
},
{
"version": "3.1.0 p3",
"status": "affected"
},
{
"version": "3.1.0 p2",
"status": "affected"
},
{
"version": "3.2.0",
"status": "affected"
},
{
"version": "3.1.0 p4",
"status": "affected"
},
{
"version": "3.1.0 p5",
"status": "affected"
},
{
"version": "3.2.0 p1",
"status": "affected"
},
{
"version": "3.1.0 p6",
"status": "affected"
},
{
"version": "3.2.0 p2",
"status": "affected"
},
{
"version": "3.1.0 p7",
"status": "affected"
},
{
"version": "3.3.0",
"status": "affected"
},
{
"version": "3.2.0 p3",
"status": "affected"
},
{
"version": "3.2.0 p4",
"status": "affected"
},
{
"version": "3.1.0 p8",
"status": "affected"
},
{
"version": "3.2.0 p5",
"status": "affected"
},
{
"version": "3.2.0 p6",
"status": "affected"
},
{
"version": "3.1.0 p9",
"status": "affected"
},
{
"version": "3.3 Patch 2",
"status": "affected"
},
{
"version": "3.3 Patch 1",
"status": "affected"
},
{
"version": "3.3 Patch 3",
"status": "affected"
},
{
"version": "3.4.0",
"status": "affected"
},
{
"version": "3.2.0 p7",
"status": "affected"
},
{
"version": "3.3 Patch 4",
"status": "affected"
},
{
"version": "3.4 Patch 1",
"status": "affected"
},
{
"version": "3.1.0 p10",
"status": "affected"
},
{
"version": "3.3 Patch 5",
"status": "affected"
},
{
"version": "3.3 Patch 6",
"status": "affected"
},
{
"version": "3.4 Patch 2",
"status": "affected"
},
{
"version": "3.3 Patch 7",
"status": "affected"
},
{
"version": "3.4 Patch 3",
"status": "affected"
},
{
"version": "3.5.0",
"status": "affected"
},
{
"version": "3.4 Patch 4",
"status": "affected"
},
{
"version": "3.3 Patch 8",
"status": "affected"
},
{
"version": "3.2 Patch 8",
"status": "affected"
},
{
"version": "3.5 Patch 1",
"status": "affected"
},
{
"version": "3.3 Patch 9",
"status": "affected"
},
{
"version": "3.2 Patch 9",
"status": "affected"
},
{
"version": "3.4 Patch 5",
"status": "affected"
},
{
"version": "3.5 Patch 3",
"status": "affected"
},
{
"version": "3.5 Patch 2",
"status": "affected"
},
{
"version": "3.3 Patch 10",
"status": "affected"
},
{
"version": "3.3 Patch 11",
"status": "affected"
},
{
"version": "3.4 Patch 6",
"status": "affected"
},
{
"version": "3.2 Patch 10",
"status": "affected"
},
{
"version": "3.1.0 p11",
"status": "affected"
}
]
},
{
"vendor": "Cisco",
"product": "Cisco ISE Passive Identity Connector",
"defaultStatus": "unknown",
"versions": [
{
"version": "3.2.0",
"status": "affected"
},
{
"version": "3.1.0",
"status": "affected"
},
{
"version": "3.3.0",
"status": "affected"
},
{
"version": "3.4.0",
"status": "affected"
},
{
"version": "3.5.0",
"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:L/I:N/A:N",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-04T18:17:26.586769Z",
"id": "CVE-2026-20241",
"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-285"
}
]
}
],
"references": [
{
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-cert-mE9BD5GO",
"source": "[email protected]"
}
]
}