OCTOBER 7, 2026
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Case File

CVE-2026-20234

CRITICAL · CVSS 9.9 EPSS 0.37%

Source: NVD + CISA KEV + EPSS · Published 2026-09-16 · Last synced 2026-10-07

CyberRota Analysis

AI-Generated

Cisco Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) are vulnerable due to insufficiently protected credentials, which could allow unauthorized access to sensitive information. The critical severity of this vulnerability (CVSS 9.9) necessitates immediate attention from organizations using these products to mitigate potential exploitation. Security teams should prioritize patching to safeguard against potential breaches and ensure compliance with security best practices.

CVE
CVE-2026-20234
Severity
CRITICAL
CVSS
9.9
EPSS
0.37%
Cisco

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)