CVE-2022-31199: in the CISA KEV catalogue

Netwrix Auditor Insecure Object Deserialization Vulnerability. CISA added CVE-2022-31199 to the Known Exploited Vulnerabilities catalogue on 2023-07-11 with a default due date of 2023-08-01. Known ransomware campaign use: Known. Forensic triage flag: No.

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 description)

Vendor / product: Netwrix Auditor
CWE: CWE-502, CWE-122
CISA required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
EPSS: 36%, percentile 98 (scored 2026-11-03)

EPSS puts about 36 in 100 odds (36%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 98% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.

Vendor and reference links (from CISA)

Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.

Data dates. CISA KEV catalogue version 2026.11.03, released 2026-11-03, 1,767 entries (checked 2026-11-03). EPSS model v2026.06.15, scored 2026-11-03, 399,388 CVEs. Sources: CISA and FIRST (EPSS by FIRST; scores generated by Empirical Security). Copied to our own database and refreshed automatically; if a refresh fails, the previous copy keeps serving with its own date.

Frequently asked questions

Is CVE-2022-31199 in the CISA KEV catalogue?

Yes. CISA added CVE-2022-31199 (Netwrix Auditor Insecure Object Deserialization Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2023-07-11. CISA's default due date for it is 2023-08-01.

Is CVE-2022-31199 used in ransomware attacks?

CISA marks known ransomware campaign use as Known for CVE-2022-31199.

What should I do about CVE-2022-31199?

CISA's required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Sources

CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
NVD record for CVE-2022-31199