CVE-2026-20136
mediumpriority · track · 0EPSS 0.005 · 43 %ileDEEURUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixed3.1.0cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p10cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p4cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p5cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p6cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p7cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p8cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.1.0 p9cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2 Patch 8cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2 Patch 9cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2.0cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2.0 p1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2.0 p2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2.0 p3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2.0 p4cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2.0 p5cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2.0 p6cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2.0 p7cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 10cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 4cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 5cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 6cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 7cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 8cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3 Patch 9cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.3.0cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.4 Patch 1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.4 Patch 2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.4 Patch 3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.4 Patch 4cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.4 Patch 5cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.4.0cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.5 Patch 1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.5 Patch 2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.5.0cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (96)
Products and version ranges known to be affected.
- Cisco Identity Services Engine (ISE)all versionscert_bundDEcpe:/a:cisco:identity_services_engine_software:-
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1146Cisco Identity Services Engine (ISE): Mehrere SchwachstellenDeutsch2026-04-15csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Cisco Identity Services Engine (ISE) ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, um seine Privilegien zu erhöhen, um beliebigen Programmcode auszuführen, und um Informationen offenzulegen.
- cisco-sa-ise-cmd-inj-5WSJcYJBCisco Identity Services Engine Authenticated Privilege Escalation Vulnerability2026-04-15csaf · cisco_csafUS
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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2026-20136cnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-cmd-inj-5WSJcYJBPatchcnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-cmd-inj-5WSJcYJBenisa_euvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-cmd-inj-5WSJcYJBVendor Advisorynvd
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