CVE-2024-39458 — When Jenkins Structs Plugin 337

When Jenkins Structs Plugin 337.v1b_04ea_4df7c8 and earlier fails to configure a build step, it logs a warning message containing diagnostic information that may contain secrets passed as step parameters, potentially resulting in accidental exposure of secrets through the default

01What is this vulnerability?

When Jenkins Structs Plugin 337.v1b_04ea_4df7c8 and earlier fails to configure a build step, it logs a warning message containing diagnostic information that may contain secrets passed as step parameters, potentially resulting in accidental exposure of secrets through the default system log.

02Affected products

Vendor	Product	Versions
Jenkins Project	Jenkins Structs Plugin	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-06-26T17:06:26.399Z
• Last modified: 2025-02-13T17:53:16.696Z

09References

• www.jenkins.io — https://www.jenkins.io/security/advisory/2024-06-26/#SECURITY-3371
• www.openwall.com — http://www.openwall.com/lists/oss-security/2024/06/26/2