Jenkins Security Advisory 2021-05-25
Affects plugin: Filesystem Trigger Affects plugin: Markdown Formatter Affects plugin: Nuget Affects plugin: URLTrigger
Details
Original advisory: https://www.jenkins.io/security/advisory/2021-05-25/
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-2021-216571.6% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 73% of all scored CVEs.
- Moderate exploitation riskCVE-2021-216581.5% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 72% of all scored CVEs.
- Exploitation likely imminentCVE-2021-21659EPSS puts this in the most-targeted tier (66.8% 30-day exploitation probability). Prioritize alongside KEV items. Riskier than 99% of all scored CVEs.
- Moderate exploitation riskCVE-2021-216601.1% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 61% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2021-21657 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21658 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21659 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21660 | coverage & exploitation status | NVD · CVE.org |
More from Jenkins Security Advisories
- unknownJenkins Security Advisory 2026-06-242026-06-24
- unknownJenkins Security Advisory 2026-06-102026-06-10
- unknownJenkins Security Advisory 2026-05-272026-05-27
- unknownJenkins Security Advisory 2026-04-292026-04-29
- unknownJenkins Security Advisory 2026-03-182026-03-18