Public vulnerability disclosure

CVE-2026-20183

ISE Authorization Bypass vulnerability

publishedCWE-285

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device. This vulnerability is due to the lack of server-side validation of Administrator permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid Administrator credentials.

Technical severity4.3 mediumCVSS 3.1 · CNA: cisco
Published2026-11-10Source updated 2026-11-10
Collected2026-11-101 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Cisco Identity Services Engine Software
Cisco
3.1.0 (affected)
3.1.0 p1 (affected)
3.1.0 p3 (affected)
3.1.0 p2 (affected)
3.2.0 (affected)
3.1.0 p4 (affected)
3.1.0 p5 (affected)
3.2.0 p1 (affected)
3.1.0 p6 (affected)
3.2.0 p2 (affected)
3.1.0 p7 (affected)
3.3.0 (affected)
3.2.0 p3 (affected)
3.2.0 p4 (affected)
3.1.0 p8 (affected)
3.2.0 p5 (affected)
3.2.0 p6 (affected)
3.1.0 p9 (affected)
3.3 Patch 2 (affected)
3.3 Patch 1 (affected)
3.3 Patch 3 (affected)
3.4.0 (affected)
3.2.0 p7 (affected)
3.3 Patch 4 (affected)
3.4 Patch 1 (affected)
3.1.0 p10 (affected)
3.3 Patch 5 (affected)
3.3 Patch 6 (affected)
3.4 Patch 2 (affected)
3.3 Patch 7 (affected)
3.4 Patch 3 (affected)
3.5.0 (affected)
3.4 Patch 4 (affected)
3.3 Patch 8 (affected)
3.2 Patch 8 (affected)
3.5 Patch 1 (affected)
3.3 Patch 9 (affected)
3.2 Patch 9 (affected)
3.4 Patch 5 (affected)
3.5 Patch 3 (affected)
3.5 Patch 2 (affected)
3.3 Patch 10 (affected)
3.3 Patch 11 (affected)
3.4 Patch 6 (affected)
3.2 Patch 10 (affected)
3.1.0 p11 (affected)
3.1.0 p12 (affected)
3.2 Patch 11 (affected)
Other versions: unknown
CNA: cisco

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 4.3
medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NCNA: cisco

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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