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Exploited vulnerability · CISA KEV

Is CVE-2019-7238 exploited? Yes: in CISA KEV since 10 Dec 2021

Gociux · Sonatype Nexus Repository Manager · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-7238, Sonatype Nexus Repository Manager Incorrect Access Control Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 10 Dec 2021, 995 days after it was published. It affects Sonatype Nexus Repository Manager. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 10 Dec 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due10 Jun 2022BOD 22-01 deadline

What it is

Sonatype Nexus Repository Manager before 3.15.0 has an incorrect access control vulnerability. Exploitation allows for remote code execution.

VendorSonatype (2 exploited CVEs in KEV)
ProductNexus Repository Manager
VulnerabilitySonatype Nexus Repository Manager Incorrect Access Control Vulnerability
Weaknessnot specified
Published21 Mar 2019
Added to KEV10 Dec 2021
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Nexus Repository Manager in your asset inventory, including appliances and cloud images. Stack check lists every exploited Sonatype 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 21 Mar 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for Sonatype.

References

Questions

Is CVE-2019-7238 being exploited?

Yes. CISA added CVE-2019-7238 to the Known Exploited Vulnerabilities catalog on 10 Dec 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-7238 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-2019-7238?

Apply updates per vendor instructions. Check Sonatype's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Nexus Repository Manager 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 2021 · Sonatype scorecard · act-now radar.

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