Jenkins Security Advisory 2023-10-18
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Affects Jenkins Core
CSIRTS triage
- What
- Multiple vulnerabilities affect Jenkins Core.
- Who is affected
- Deployments of Jenkins Core are affected.
- Urgency
- Remediation is urgent due to confirmed exploitation of the vulnerabilities.
- Action
- Update to the latest version of Jenkins Core to mitigate the vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://www.jenkins.io/security/advisory/2023-10-18/
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Moderate exploitation riskCVE-2023-364783.8% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 89% of all EPSS-scored CVEs.
- Exploitation confirmedCVE-2023-44487Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99.9% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2023-36478 | coverage & exploitation status | NVD · CVE.org |
| CVE-2023-44487 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownexploitedMultiple vulnerabilities in IBM products (August 21, 2026)cert-fr-avis
- highexploited[UPDATE] [high] http/2 implementations: Vulnerability allows denial of servicecert-bund
- unknownexploitedMultiple vulnerabilities in IBM products (August 14, 2026)cert-fr-avis
- high[UPDATE] [high] Eclipse Jetty: Multiple vulnerabilities allow Denial of Servicecert-bund
- criticalexploitedGitLab Security Release: 16.5.1, 16.4.2, 16.3.6gitlab
- criticalexploitedGitLab Security Release: 16.5.1, 16.4.2, 16.3.6gitlab
- criticalexploitedCVE-2023-44487: HTTP/2 Rapid Reset Attack Vulnerabilitycisa-kev
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