CVE-2022-31199 Netwrix Auditor: memory-safety flaw
In plain words: The program mishandles the memory it uses to keep track of data. A specially made input can scramble that memory. Usually lets an attacker crash the program or run their own code with its permissions.
Confirmed exploited by CISA on · US federal patch deadline Aug 1, 2023
What to do
- Install Netwrix's security update for Auditor. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Netwrix Auditor Insecure Object Deserialization Vulnerability
- Product
- Netwrix Auditor
- CISA 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.
- Type of flaw
- Memory-safety flaw (CWE-502, CWE-122)
- Confirmed exploited
- Jul 11, 2023 — known to be used in ransomware attacks
- US federal patch deadline
- Aug 1, 2023
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Answering about CVE-2022-31199 ·
Questions about CVE-2022-31199
Is CVE-2022-31199 being exploited?
Yes. CISA added CVE-2022-31199 to its Known Exploited Vulnerabilities catalog on Jul 11, 2023, which means there is reliable evidence of real-world attacks, including by ransomware groups.
How do I fix CVE-2022-31199?
Install Netwrix's security update for Auditor. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2022-31199?
Only if you use Netwrix Auditor. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.