A critical vulnerability (CVE-2025-20337) in Cisco’s Identity Services Engine (ISE) allows unauthenticated attackers to execute arbitrary code and gain root privileges. Immediate patching is essential as none of the affected versions are currently protected. #CVE202520537 #CiscoISE #RCEVulnerability
Keypoints
- CVE-2025-20337 is a critical security flaw in Cisco ISE versions 3.3 and 3.4.
- The vulnerability permits remote unauthenticated attackers to execute malicious code.
- It results from insufficient input validation checks on the affected systems.
- Users must upgrade to ISE 3.3 Patch 7 or ISE 3.4 Patch 2 for protection.
- Cisco recommends immediate updates as there are no available workarounds for this flaw.