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CVE-2026-20192

Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20192 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

Timeline

  1. ID reserved

    By cisco

  2. · 11 months later

    Published

  3. · 2 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-20192, by who scored it
Scored byCVSSScoreVector
ciscoCNA (assigner)3.1Critical10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVDNVD · Analyzed3.1Critical10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.46% · top 59% of all CVEs (12 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 10.0.

Affected products

  • Cisco · Cisco Identity Services Engine Software

    • affected 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
    • and 7 more

  • Cisco · Cisco ISE Passive Identity Connector

    • affected 3.2.0
    • affected 3.1.0
    • affected 3.3.0
    • affected 3.4.0
    • affected 3.5.0

What to do

Exploitation: Except as otherwise noted previously, the Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-20192 badge
[![CVE-2026-20192](https://cveledger.app/badge/CVE-2026-20192.svg)](https://cveledger.app/cve/CVE-2026-20192)

Record last updated .