CVE-2022-31199
Published: July 11, 2023
Official Description
Netwrix Auditor User Activity Video Recording component contains an insecure objection deserialization vulnerability that allows an unauthenticated, remote attacker to execute code as the NT AUTHORITY\SYSTEM user. Successful exploitation requires that the attacker is able to reach port 9004/TCP, which is commonly blocked by standard enterprise firewalling.
CISA KEV Advisory
Netwrix Auditor Insecure Object Deserialization Vulnerability
Netwrix Auditor User Activity Video Recording component contains an insecure objection deserialization vulnerability that allows an unauthenticated, remote attacker to execute code as the NT AUTHORITY\SYSTEM user. Successful exploitation requires that the attacker is able to reach port 9004/TCP, which is commonly blocked by standard enterprise firewalling.
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Risk Analysis
This insecure object deserialization vulnerability in Netwrix Auditor User Activity Video Recording component allows an unauthenticated, remote attacker to execute code as the NT AUTHORITY\SYSTEM user. It is a high-severity flaw and is urgent due to its inclusion in CISA's KEV catalog, confirming active exploitation. The EPSS score of 0.05855 indicates a moderate likelihood of exploitation.
This vulnerability is actively exploited in the wild and is listed in CISA's KEV catalog, confirming its use by attackers. Successful exploitation requires the attacker to reach port 9004/TCP, which is commonly blocked by enterprise firewalls.
Apply available patches and updates for Netwrix Auditor User Activity Video Recording component. Ensure that port 9004/TCP is properly firewalled and restricted to trusted internal networks only.
Technical Analysis
CVE-2022-31199 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2022-31199 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-31199 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1