Citrix Session Recording Deserialization of Untrusted Data Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2025-08-25
• EPSS: 15% chance of exploitation in the next 30 days (higher than 97% of CVEs)

[ Description ]Official description

Limited remote code execution with privilege of a NetworkService Account access in Citrix Session Recording if the attacker is an authenticated user on the same intranet as the session recording server

CISA: Citrix Session Recording contains a deserialization of untrusted data vulnerability that allows limited remote code execution with privilege of a NetworkService Account access. Attacker must be an authenticated user on the same intranet as the session recording server.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Sep 2025): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• support.citrix.com/s/article/CTX691941-citrix-session-recording-security-bulletin-for-c…Vendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource