Arbitrary file read via unrestricted fetchJar paths
Published Aug 7, 2024 · Updated Mar 14, 2025
Path traversal in Jenkins 2.470 and earlier and LTS 2.452.3 and earlier allows remote authenticated users to read controller files. ClassLoaderProxy#fetchJar accepts agent-supplied paths without restricting retrieval to JARs referenced by core or plugin classloaders. Agent/Connect permission or code execution on an agent is required, and exposed secrets can enable access up to remote code execution.
Summary
What happened
Path traversal in Jenkins 2.470 and earlier and LTS 2.452.3 and earlier allows remote authenticated users to read controller files. ClassLoaderProxy#fetchJar accepts agent-supplied paths without restricting retrieval to JARs referenced by core or plugin classloaders. Agent/Connect permission or code execution on an agent is required, and exposed secrets can enable access up to remote code execution.
The record
- CVE
- CVE-2024-43044
- Published
- Aug 7, 2024
- Updated
- Mar 14, 2025
- Vendor
- Jenkins Project
- Product
- Jenkins
- Classifications
- CWE-754, T1005
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 7, 2024CVE publishedPublication date reported by the CVE source.
- Mar 14, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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