CVE-2023-43498
Jenkins ≤ 2.414.2
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-43498 is a high-severity Insecure Temporary File (CWE-377) vulnerability in Jenkins Jenkins. Its CVSS base score is 8.1 (High).
Operationally, ranked in the top 39% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-2526
Vulnerability Data
In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using MultipartFormDataParser creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attackers with access to the Jenkins controller…
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file system to read and write the files before they are used.
- CWE(s)
Related Threats
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Secure development life cycle mandates secure handling of temporary files during design and coding.
A.8.26 only requires that security requirements (including resilience against injections or input validation) be identified and specified during development or acquisition; it does not itself enforce, implement or configure any mechanism that stops an insecure temporary file from being created or exploited.
Secure system architecture principles discourage insecure temporary-file patterns but do not directly address them.
Secure coding standards explicitly require safe temporary-file APIs and permissions.
Security testing can detect insecure temporary files but does not prevent their creation.
Hardening callouts derived
DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.
- No fine-grained STIG row for CWE-377, a class-level weakness. Rules are authored against its narrower children: CWE-379.