All vulnerabilities
CVE-2025-20281

Cisco Identity Services Engine Injection Vulnerability

Cisco Identity Services EngineIdentity & access
Open in ThreatlineRecord JSON
CVSS
10.0Critical
ExploitationExploited in the wildAdded to KEV 28 Jul 2025CISA KEV
Exploit odds (EPSS)97.6%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline18 Aug 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 25 Jun 2025, 16:11 UTCPublishedCVE List
  2. 28 Jul 2025Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateCisco ISE - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Cisco Identity Services Engine contains an injection vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC due to insufficient validation of user-supplied input allowing an attacker to exploit this vulnerability by submitting a crafted API request. Successful exploitation could allow an attacker to perform remote code execution and obtaining root privileges on an affected device.

Text from CVE List

Affected versions 9

  • Cisco Identity Services Engine Softwareaffected: 3.3.0CVE List
  • Cisco Identity Services Engine Softwareaffected: 3.3 Patch 2CVE List
  • Cisco Identity Services Engine Softwareaffected: 3.3 Patch 1CVE List
  • Cisco Identity Services Engine Softwareaffected: 3.3 Patch 3CVE List
  • Cisco Identity Services Engine Softwareaffected: 3.4.0CVE List
  • Cisco Identity Services Engine Softwareaffected: 3.3 Patch 4CVE List
  • Cisco Identity Services Engine Softwareaffected: 3.4 Patch 1CVE List
  • Cisco Identity Services Engine Softwareaffected: 3.3 Patch 5CVE List
  • Cisco Identity Services Engine Softwareaffected: 3.3 Patch 6CVE List

References 4