CVE-2026-20136

Medium

Description

A vulnerability in the CLI of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, local attacker with administrative privileges to perform a command injection attack on the underlying operating system and elevate privileges to root. This vulnerability is due to insufficient validation of user supplied input. An attacker could exploit this vulnerability by providing crafted input to a specific CLI command. A successful exploit could allow the attacker to elevate their privileges to root on the underlying operating system.

SeverityMedium
CVSS6.0
Exploit probability43. percentile0.5%
ProductCisco Identity Services Engine
PublishedApr 15, 2026
First seenApr 15, 2026
Weakness typeCWE-116CWE-116

How to fix

Update
  • cisco identity_services_engine3.3.0 or later
  • cisco identity_services_engine_passive_identity_connector3.3.0 or later

Affected products

ProductAffected versionsFixed in
cisco identity_services_enginev < 3.3.0, 3.3.0, 3.4.0, 3.5.03.3.0
cisco identity_services_engine_passive_identity_connectorv < 3.3.0, 3.3.0, 3.4.03.3.0

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