Jenkins Command Line Interface (CLI) Path Traversal Vulnerability
Jenkins 2.441 and earlier, LTS 2.426.2 and earlier does not disable a feature of its CLI command parser that replaces an '@' character followed by a file path in an argument with the file's contents, allowing unauthenticated attackers to…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 5 / 5
- KEV catalog (CISA)19 Aug 2024
- Exploited in EUVD (ENISA)19 Aug 2024
- Used by ransomwareyes
- EPSS above 10 %100.00%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
Jenkins 2.441 and earlier, LTS 2.426.2 and earlier does not disable a feature of its CLI command parser that replaces an '@' character followed by a file path in an argument with the file's contents, allowing unauthenticated attackers to read arbitrary files on the Jenkins controller file system.
Affected products
- patch: 0
- patch: 2.442
- patch: 2.426.3
- patch: 2.440.1
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
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EPSS peak: 100.00%
References
Other exploited vulnerabilities from the same vendor
- CVE-2017-1000353Jenkins Remote Code Execution Vulnerability9.3 · Background exploitation
- CVE-2015-5317Jenkins User Interface (UI) Information Disclosure Vulnerability6.1 · Background exploitation
- CVE-2019-1003029Jenkins Script Security Plugin Sandbox Bypass Vulnerability8.0 · Background exploitation
- CVE-2019-1003030Jenkins Matrix Project Plugin Remote Code Execution Vulnerability8.7 · Background exploitation
- CVE-2018-1000861Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability9.3 · Background exploitation