CVE-2026-20136: medium-severity vulnerability in Cisco Identity Services Engine Software
Cisco Identity Services Engine Authenticated Privilege Escalation Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6epss 0.5%
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.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Affected products
Cisco · Cisco Identity Services Engine SoftwareRelated CVEs — Cisco Identity Services Engine Software
In the same product, most dangerous first.
CVE-2025-20281CRITICALCisco ISE API Unauthenticated Remote Code Execution VulnerabilityEPSS 97.6%KEVCVE-2026-76460CRITICALCisco Identity Services Engine Authentication Bypass VulnerabilityEPSS 75.6%KEVCVE-2025-20337CRITICALCisco ISE API Unauthenticated Remote Code Execution VulnerabilityEPSS 74.5%KEVCVE-2025-20282CRITICALCisco ISE API Unauthenticated Remote Code Execution VulnerabilityEPSS 38.7%CVE-2022-20964MEDIUMCVE-2022-20964EPSS 30.6%CVE-2022-20966MEDIUMCVE-2022-20966EPSS 27.6%