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Exploited vulnerability · CISA KEV

Is CVE-2010-5330 exploited? Yes: in CISA KEV since 15 Apr 2022

Gociux · Ubiquiti AirOS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2010-5330, Ubiquiti AirOS Command Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 15 Apr 2022, 1039 days after it was published. It affects Ubiquiti AirOS. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 15 Apr 2022
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity9.8CVSS 3.1 · critical
US federal due6 May 2022BOD 22-01 deadline

What it is

Certain Ubiquiti devices contain a command injection vulnerability via a GET request to stainfo.cgi.

VendorUbiquiti (4 exploited CVEs in KEV)
ProductAirOS
VulnerabilityUbiquiti AirOS Command Injection Vulnerability
WeaknessCWE-77
Published11 Jun 2019
Added to KEV15 Apr 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for AirOS in your asset inventory, including appliances and cloud images. Stack check lists every exploited Ubiquiti 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 11 Jun 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for Ubiquiti.

References

Questions

Is CVE-2010-5330 being exploited?

Yes. CISA added CVE-2010-5330 to the Known Exploited Vulnerabilities catalog on 15 Apr 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2010-5330 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-2010-5330?

Apply updates per vendor instructions. Check Ubiquiti's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected AirOS 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 April 2022 · Ubiquiti scorecard · act-now radar.

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