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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00431.

Exploitation none

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Cisco Cisco Identity Services Engine Software unknown
Version Status Constraints
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 p72 affected —
3.1.0 p11 affected —
Cisco Cisco ISE Passive Identity Connector unknown
Version Status Constraints
3.2.0 affected —
3.1.0 affected —
3.3.0 affected —
3.4.0 affected —
3.5.0 affected —

No data.

No data.

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Vendors Products
Cisco Subscribe
Identity Services Engine Passive Identity Connector Subscribe
Identity Services Engine Software Subscribe

Project Subscriptions

Vendors Products
Cisco Subscribe
Identity Services Engine Passive Identity Connector Subscribe
Identity Services Engine Software Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T cve-icon cve-icon
History

Sat, 19 Sep 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco identity Services Engine Passive Identity Connector
Cisco identity Services Engine Software
Vendors & Products Cisco
Cisco identity Services Engine Passive Identity Connector
Cisco identity Services Engine Software

Fri, 18 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 16 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
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.
Title Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities
Weaknesses CWE-284
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-09-18T13:41:16.609Z

Reserved: 2025-10-08T11:59:15.395Z

Link: CVE-2026-20192

cve-icon Vulnrichment

Updated: 2026-09-18T13:32:43.758Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-16T20:17:21.900

Modified: 2026-09-18T14:17:16.023

Link: CVE-2026-20192

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-19T22:36:36Z

Weaknesses