CVE-2026-20234

CRITICALCVSS 9.9

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-2026-20234 are related to insufficiently protected credentials issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-522.

Timeline

Published:September 16th, 2026 5:17 PM

Last modified:September 28th, 2026 1:02 PM

CVSS Scoring

CVSS v3: 9.9 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Software

From NVD CPE configuration data

Vendors

cisco

Products

identity_services_engineidentity_services_engine_passive_identity_connector

Weaknesses (CWE)

CWE-522

References & Reports

Advisories, patches, and third-party reports

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5TVendor Advisory

Source: NIST NVD · Data may lag official sources by up to one minute