CVE-2022-31199: 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.
| Vendor | Netwrix |
|---|---|
| Product | Auditor |
| Date added to KEV | 2023-07-11 |
| Due date (BOD 22-01) | 2023-08-01 |
| Known ransomware campaign use | Known |
| CWE | CWE-502, CWE-122 |
| Required action | Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. |
What to do
- Identify every instance of Netwrix Auditor in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
- Federal civilian agencies must act by 2023-08-01 under BOD 22-01; other organizations can use the same date as a target.
- Because ransomware use is known, check for signs of compromise and confirm backups are offline and tested.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
This CVE is flagged by CISA as known to be used in ransomware campaigns. Rehearse your response before you need it: Ransomware tabletop exercise kit (Runbook Foundry).