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Exploited vulnerability · CISA KEV

Is CVE-2022-24990 exploited? Yes: in CISA KEV since 10 Feb 2023

Gociux · TerraMaster OS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2022-24990, TerraMaster OS Remote Command Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 10 Feb 2023, 3 days after it was published. It is known to be used in ransomware campaigns. It affects TerraMaster OS. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 10 Feb 2023
ransomwareKnownused in campaigns
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due3 Mar 2023BOD 22-01 deadline

What it is

TerraMaster OS contains a remote command execution vulnerability that allows an unauthenticated user to execute commands on the target endpoint.

VendorTerraMaster (1 exploited CVE in KEV)
ProductTerraMaster OS
VulnerabilityTerraMaster OS Remote Command Execution Vulnerability
WeaknessCWE-306
Published7 Feb 2023
Added to KEV10 Feb 2023
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for TerraMaster OS in your asset inventory, including appliances and cloud images. Stack check lists every exploited TerraMaster CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  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 7 Feb 2023.
  4. Get told next time. Email alerts when CISA adds a CVE for TerraMaster.

References

Questions

Is CVE-2022-24990 being exploited?

Yes. CISA added CVE-2022-24990 to the Known Exploited Vulnerabilities catalog on 10 Feb 2023, which means there is reliable evidence of exploitation in the wild.

Is CVE-2022-24990 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2022-24990?

Apply updates per vendor instructions. Check TerraMaster's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected TerraMaster OS and watch it for signs of compromise.

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 February 2023 · act-now radar.

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