Risk Letters

Exploited vulnerability

CVE-2025-20281

TLP:CLEAR

Cisco Identity Services Engine Injection Vulnerability

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.

Facts

  • Vendor: Cisco
  • Product: Identity Services Engine
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 97.6 %
  • On CISA's Known Exploited Vulnerabilities list since: 28 July 2025
  • First known exploitation: 28 July 2025
  • CISA's deadline for US federal agencies: 18 August 2025
  • Weakness: CWE-74
  • First seen by Risk Letters: 28 July 2025

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD