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Exploited vulnerability · CISA KEV

Is CVE-2024-23897 exploited? Yes: in CISA KEV since 19 Aug 2024

Gociux · Jenkins Command Line Interface (CLI) · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2024-23897, Jenkins Command Line Interface (CLI) Path Traversal Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 19 Aug 2024, 208 days after it was published. It is known to be used in ransomware campaigns. It affects Jenkins Command Line Interface (CLI). If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 19 Aug 2024
ransomwareKnownused in campaigns
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due9 Sep 2024BOD 22-01 deadline

What it is

Jenkins Command Line Interface (CLI) contains a path traversal vulnerability that allows attackers limited read access to certain files, which can lead to code execution.

VendorJenkins (6 exploited CVEs in KEV)
ProductJenkins Command Line Interface (CLI)
VulnerabilityJenkins Command Line Interface (CLI) Path Traversal Vulnerability
WeaknessCWE-27
Published24 Jan 2024
Added to KEV19 Aug 2024
Reported by (CNA)jenkins

What to do

  1. Check whether you run it. Look for Jenkins Command Line Interface (CLI) in your asset inventory, including appliances and cloud images. Stack check lists every exploited Jenkins CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  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 24 Jan 2024.
  4. Get told next time. Email alerts when CISA adds a CVE for Jenkins.

References

Questions

Is CVE-2024-23897 being exploited?

Yes. CISA added CVE-2024-23897 to the Known Exploited Vulnerabilities catalog on 19 Aug 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2024-23897 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2024-23897?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check Jenkins's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Jenkins Command Line Interface (CLI) 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 August 2024 · Jenkins scorecard · act-now radar.

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