Citrix Session Recording Insecure Deserialization Remote Code Execution Vulnerability Advisory (CVE-2024-8069)
Executive & SecOps Summary
SECOPS ASSESSMENTCitrix Session Recording servers accessible to authenticated users on the same intranet
Limited remote code execution (RCE) under the context of the NetworkService account, potentially leading to lateral movement
Apply official Citrix security patches immediately and restrict network access to the Session Recording infrastructure
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Download and install the latest Cumulative Update (CU) or hotfix corresponding to your release line from the official Citrix Support portal.
# Verify the status of Citrix Session Recording services via PowerShell
Get-Service -Name 'CitrixSessionRecording*' | Format-Table -Property Name, Status, StartType2. Temporary Workaround & Hardening Configuration
Before applying the patch, restrict network access to the Session Recording server's ports (such as MSMQ and HTTP/HTTPS ports) using host-based firewalls.
# Restrict access to Session Recording ports to trusted administrative subnets only
New-NetFirewallRule -DisplayName 'Block-Unauthorized-SessionRecording' -Direction Inbound -Action Block -LocalPort 1801, 80, 443 -Protocol TCP
New-NetFirewallRule -DisplayName 'Allow-Trusted-Admin-Subnet' -Direction Inbound -Action Allow -LocalPort 1801, 80, 443 -Protocol TCP -RemoteAddress '10.0.1.0/24'3. Log Audit & IoC Verification Commands
Inspect the Windows Application Event Logs and MSMQ queues for anomalous messages or deserialization errors.
# Query Windows Event Logs for errors related to Citrix Session Recording
Get-WinEvent -LogName 'Application' | Where-Object { $_.ProviderName -like '*Citrix*SessionRecording*' -and $_.LevelDisplayName -eq 'Error' } | Select-Object TimeCreated, Id, Message -First 20Stop Exposing VPN Ports to the Internet — Switch to Zero-Trust Access
Eliminate public-facing VPN concentrators and firewall management ports with identity-first Zero-Trust Network Access.
Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2024-8069) is an insecure deserialization flaw (CWE-502) residing within the Citrix Session Recording component. It occurs when the application deserializes untrusted data provided by an attacker without sufficient validation, allowing the execution of arbitrary code.
2. Exploitation Mechanics & Attack Scenario
An authenticated attacker residing on the same intranet can send a specially crafted serialized payload to the Session Recording server's communication endpoints. Upon receiving and deserializing this payload, the server executes arbitrary commands. Although the execution context is limited to the 'NetworkService' account, an attacker can leverage this privilege to access local system resources and attempt lateral movement across the Active Directory domain.
3. Infrastructure & Business Impact
This vulnerability is actively exploited in the wild and is listed in the CISA KEV catalog. Since Session Recording servers archive sensitive user sessions and audit logs, a compromise of this system could lead to unauthorized data exposure, tampering of audit trails, and a complete breakdown of internal compliance controls.
Official Vendor Advisories & References
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
Frequently Asked SecOps Questions (CVE-2024-8069)
FAQQ1. How critical is CVE-2024-8069 and is it actively exploited in the wild?
CVE-2024-8069 is rated CVSS 8.0 (HIGH) with a 30-day EPSS exploitation probability of 18.2%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2024-8069?
Primary impacted vendors include citrix across session recording. Scope summary: Citrix Session Recording versions prior to 2405 MT, 2402 LTSR CU1, and 1912 LTSR CU9
Q3. What temporary mitigations or workarounds exist for CVE-2024-8069 before patching?
[Mitigation] Apply official Citrix security patches immediately and restrict network access to the Session Recording infrastructure Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
Generate an Internal Engineering Notice or CISO Report for CVE-2024-8069
Instantly format this advisory into an executive CISO summary or engineering patch ticket.
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