CVE-2023-43500 — A cross-site request forgery (CSRF) vulnerability in Jenkins Build Failure Analy

A cross-site request forgery (CSRF) vulnerability in Jenkins Build Failure Analyzer Plugin 2.4.1 and earlier allows attackers to connect to an attacker-specified hostname and port using attacker-specified username and password.

01What is this vulnerability?

A cross-site request forgery (CSRF) vulnerability in Jenkins Build Failure Analyzer Plugin 2.4.1 and earlier allows attackers to connect to an attacker-specified hostname and port using attacker-specified username and password.

02Affected products

Vendor	Product	Versions
Jenkins Project	Jenkins Build Failure Analyzer 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:

Open in Sigma generator →

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: 2023-09-20T16:06:12.234Z
• Last modified: 2024-09-24T18:32:02.003Z

09References

• www.jenkins.io — https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3226
• www.openwall.com — http://www.openwall.com/lists/oss-security/2023/09/20/5