Exploited vulnerability · CISA KEV

Is CVE-2022-31199 exploited? Yes: in CISA KEV since 11 Jul 2023

Gociux · Netwrix Auditor · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2022-31199, Netwrix Auditor Insecure Object Deserialization Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 11 Jul 2023, 245 days after it was published. It is known to be used in ransomware campaigns. It affects Netwrix Auditor. If you run it, CISA's required action is: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

What it is

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.

What to do

1. Check whether you run it. Look for Auditor in your asset inventory, including appliances and cloud images. Stack check lists every exploited Netwrix CVE at once.
2. Apply the fix. Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 8 Nov 2022.
4. Get told next time. Email alerts when CISA adds a CVE for Netwrix.

References

• nvd.nist.gov/vuln/detail/CVE-2022-31199

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in July 2023 · act-now radar.