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CVE-2026-20136 Cisco Identity Services Engine

Affected softwareCisco Identity Services Engine
Severity6.0 Medium CVSS 3.1
WeaknessCWE-116
Published15 Apr 2026
Updated26 Oct 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.51% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review automated Upstream data
  • Record active
Decided by The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached
Finding This CVE names only products the Waratek agent cannot be installed into (cisco/identity_services_engine). They ship as sealed appliance images or as native code with no application JVM, so there is no start-up line to add -javaagent to. The vulnerability may well be a Java one; it is permanently out of ARMR's reach rather than outside its subject.

Affected software and releases

Products and versions

2 products, 39 version entries
SourceVendorProductSchemeAffected versions
nvd cisco identity services engine generic 3.3.0 · < 3.3.0 · 3.3.0:patch1 · 3.3.0:patch2 · 3.3.0:patch3 · 3.3.0:patch4 · 3.3.0:patch5 · 3.3.0:patch6 · 3.3.0:patch7 · 3.3.0:patch8 · 3.3.0:patch9 · 3.3.0:patch10 · 3.4.0 · 3.4.0:patch1 · 3.4.0:patch2 · 3.4.0:patch3 · 3.4.0:patch4 · 3.4.0:patch5 · 3.5.0 · 3.5.0:patch1 · 3.5.0:patch2
nvd cisco identity services engine passive identity connector generic 3.3.0 · < 3.3.0 · 3.3.0:patch1 · 3.3.0:patch2 · 3.3.0:patch3 · 3.3.0:patch4 · 3.3.0:patch5 · 3.3.0:patch6 · 3.3.0:patch7 · 3.3.0:patch8 · 3.3.0:patch9 · 3.3.0:patch10 · 3.4.0 · 3.4.0:patch1 · 3.4.0:patch2 · 3.4.0:patch3 · 3.4.0:patch4 · 3.4.0:patch5

References

URLTags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-cmd-inj-5WSJcYJB Vendor Advisory

Timeline

Published2026-04-15By the CVE Program.
NVD record modified2026-10-26NVD's own last-modified date for this record.