Skip to content
fr Sign in
10.0 Critical Exploited

CVE-2025-20337 Cisco Identity Services Engine Injection Vulnerability

Active exploitation observed

· CISA KEV catalogue
Required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware campaigns Not observed so far
Weakness CWE-74

Description

A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device.

Affected products and versions

Product Affected versions Fixed in
Cisco Identity Services Engine Software 3.4.0 No fix stated
Cisco Identity Services Engine Software 3.3.0 No fix stated
Cisco ISE Passive Identity Connector 3.4.0 No fix stated
Cisco ISE Passive Identity Connector 3.3.0 No fix stated
Cisco ISE Passive Identity Connector 3.2.0 No fix stated
Cisco ISE Passive Identity Connector 3.1.0 No fix stated

References

Timeline

  1. Published
  2. Added to the KEV catalogue
  3. Last modified

Other CVEs of Cisco Identity Services Engine Software

The 199 CVEs of Cisco Identity Services Engine Software →
CVE-2026-20241 Cisco Identity Services Engine Authorization Bypass Vulnerability 5.3 Medium CVE-2026-76426 A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to… 4.9 Medium CVE-2026-76431 A vulnerability in the file management function of the web-based management interface of Cisco ISE and Cisco ISE-PIC… 4.9 Medium CVE-2026-76427 A vulnerability in the offline profiler feed service of Cisco ISE could allow an authenticated, remote attacker to… 4.9 Medium
Track this CVE