PT-2026-33086 · Cisco · Identity Services Engine+1

Published 2026-04-15 · Updated 2026-04-16 · CVE-2026-20136

Positive Technologies (AI Summary)

CVSS v2.0

6.2

Medium

Base vector

AV:L/AC:L/Au:S/C:C/I:C/A:N

Name of the Vulnerable Software and Affected Versions Cisco Identity Services Engine (ISE) (affected versions not specified) Cisco ISE Passive Identity Connector (ISE-PIC) (affected versions not specified)

Description Insufficient validation of user supplied input in the CLI allows an authenticated local attacker with administrative privileges to perform a command injection attack on the underlying operating system. This can lead to the attacker elevating their privileges to root.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Encoding or Escaping of Output

Weakness Enumeration

CWE-116

Related Identifiers

BDU:2026-05636

CVE-2026-20136

Affected Products

Cisco Ise Passive Identity Connector

Identity Services Engine

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-20136 · Security Note
• https://bdu.fstec.ru/vul/2026-05636 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-cmd-inj-5WSJcYJB · Vendor Advisory
• https://twitter.com/CVEnew/status/2044737953189011794 · Twitter Post