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Exploited vulnerability · CISA KEV

Is CVE-2019-1003030 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · Jenkins Matrix Project Plugin · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-1003030, Jenkins Matrix Project Plugin Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 1113 days after it was published. It affects Jenkins Matrix Project Plugin. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.9CVSS 3.1 · critical
US federal due15 Apr 2022BOD 22-01 deadline

What it is

Jenkins Matrix Project plugin contains a vulnerability which can allow users to escape the sandbox, opening opportunity to perform remote code execution.

VendorJenkins (6 exploited CVEs in KEV)
ProductMatrix Project Plugin
VulnerabilityJenkins Matrix Project Plugin Remote Code Execution Vulnerability
Weaknessnot specified
Published8 Mar 2019
Added to KEV25 Mar 2022
Reported by (CNA)jenkins

What to do

  1. Check whether you run it. Look for Matrix Project Plugin in your asset inventory, including appliances and cloud images. Stack check lists every exploited Jenkins 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 8 Mar 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for Jenkins.

References

Questions

Is CVE-2019-1003030 being exploited?

Yes. CISA added CVE-2019-1003030 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-1003030 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-2019-1003030?

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

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