Status: UPDATED | Advisory ID: CVE-2026-20192
| CVE | CVE-2026-20192 |
| CVSS Score / Version | 10.0 (Critical) / CVSS v3.1 |
| Updated | 2026-09-28 |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| CVSS Prose | attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | Cisco Identity Services Engine, Cisco Identity Services Engine Passive Identity Connector, Cisco Identity Services Engine Software, and Cisco ISE Passive Identity Connector |
| Classified as | CWE-284 (Improper Access Control) |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Cisco | Identity Services Engine | ||
| Cisco | Identity Services Engine Passive Identity Connector | ||
| Cisco | Cisco Identity Services Engine Software | ||
| Cisco | Cisco ISE Passive Identity Connector |
| Subsystems | Industrial Networking & Connectivity |
| Sectors | Critical Manufacturing, Energy, Transportation Systems, Water and Wastewater Systems |
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. (NVD)
Monitor Cisco's web page for any future patch releases. See vendor advisory link below.