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Public PoC prompts Cisco patch for ISE, ISE

Securityaffairs.Co •Pierluigi Paganini • January 8, 2026

Cisco addressed a medium-severity vulnerability in ISE and ISE-PIC after a public PoC exploit was disclosed. Cisco addressed a medium-severity vulnerability, tracked as CVE-2026-20029 (CVSS score: 4.9), in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) after a public PoC exploit was disclosed. The vulnerability resides in the licensing feature of Cisco ISE […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Cisco Patches Medium-Severity ISE Vulnerability After PoC Exploit Cisco has patched a medium-severity vulnerability in its Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) after a public proof-of-concept (PoC) exploit was disclosed. The vulnerability, tracked as CVE-2026-20029 with a CVSS score of 4.9, affects the licensing feature of Cisco ISE. 4 sources 31

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Public PoC prompts Cisco patch for ISE, ISE

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