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Exploited vulnerability · CISA KEV

Is CVE-2022-23227 exploited? Yes: in CISA KEV since 18 Dec 2024

Gociux · NUUO NVRmini2 Devices · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2022-23227, NUUO NVRmini2 Devices Missing Authentication Vulnerability , is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 18 Dec 2024, 1069 days after it was published. It affects NUUO NVRmini2 Devices. If you run it, CISA's required action is: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

exploitedYesCISA KEV · 18 Dec 2024
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity9.8CVSS 3.1 · critical
US federal due8 Jan 2025BOD 22-01 deadline

What it is

NUUO NVRmini2 devices contain a missing authentication vulnerability that allows an unauthenticated attacker to upload an encrypted TAR archive, which can be abused to add arbitrary users.

VendorNUUO (2 exploited CVEs in KEV)
ProductNVRmini2 Devices
VulnerabilityNUUO NVRmini2 Devices Missing Authentication Vulnerability
WeaknessCWE-306
Published14 Jan 2022
Added to KEV18 Dec 2024
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for NVRmini2 Devices in your asset inventory, including appliances and cloud images. Stack check lists every exploited NUUO CVE at once.
  2. Apply the fix. The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
  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 14 Jan 2022.
  4. Get told next time. Email alerts when CISA adds a CVE for NUUO.

References

Questions

Is CVE-2022-23227 being exploited?

Yes. CISA added CVE-2022-23227 to the Known Exploited Vulnerabilities catalog on 18 Dec 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2022-23227 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2022-23227?

The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product. Check NUUO's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected NVRmini2 Devices 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 December 2024 · NUUO scorecard · act-now radar.

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