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Exploited vulnerability · CISA KEV

Is CVE-2019-1003029 exploited? Yes: in CISA KEV since 25 Apr 2022

Gociux · Jenkins Script Security Plugin · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-1003029, Jenkins Script Security Plugin Sandbox Bypass Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Apr 2022, 1144 days after it was published. It affects Jenkins Script Security Plugin. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Apr 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.9CVSS 3.1 · critical
US federal due16 May 2022BOD 22-01 deadline

What it is

Jenkins Script Security Plugin contains a protection mechanism failure, allowing an attacker to bypass the sandbox.

VendorJenkins (6 exploited CVEs in KEV)
ProductScript Security Plugin
VulnerabilityJenkins Script Security Plugin Sandbox Bypass Vulnerability
Weaknessnot specified
Published8 Mar 2019
Added to KEV25 Apr 2022
Reported by (CNA)jenkins

What to do

  1. Check whether you run it. Look for Script Security 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-2019-1003029 being exploited?

Yes. CISA added CVE-2019-1003029 to the Known Exploited Vulnerabilities catalog on 25 Apr 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-1003029 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-2019-1003029?

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 Script Security 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 April 2022 · Jenkins scorecard · act-now radar.

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