CVE-2026-20192
Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities
CVSS Score
10.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-284 |
| Vendor | cisco |
| Product | cisco identity services engine software |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Sep 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Cisco / Cisco Identity Services Engine Software
3.1.0 3.1.0 p1 3.1.0 p3 3.1.0 p2 3.2.0 3.1.0 p4 3.1.0 p5 3.2.0 p1 3.1.0 p6 3.2.0 p2 3.1.0 p7 3.3.0 3.2.0 p3 3.2.0 p4 3.1.0 p8 3.2.0 p5 3.2.0 p6 3.1.0 p9 3.3 Patch 2 3.3 Patch 1 3.3 Patch 3 3.4.0 3.2.0 p7 3.3 Patch 4 3.4 Patch 1 3.1.0 p10 3.3 Patch 5 3.3 Patch 6 3.4 Patch 2 3.3 Patch 7 3.4 Patch 3 3.5.0 3.4 Patch 4 3.3 Patch 8 3.2 Patch 8 3.5 Patch 1 3.3 Patch 9 3.2 Patch 9 3.4 Patch 5 3.5 Patch 3 3.5 Patch 2 3.3 Patch 10 3.3 Patch 11 3.4 Patch 6 3.2 Patch 10 3.1.0 p72 3.1.0 p11
Cisco / Cisco ISE Passive Identity Connector
3.2.0 3.1.0 3.3.0 3.4.0 3.5.0