Jenkins Security Advisory 2021-06-30
Affects Jenkins Core Affects plugin: CAS Affects plugin: requests-plugin Affects plugin: Selenium HTML report
Details
Original advisory: https://www.jenkins.io/security/advisory/2021-06-30/
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-2021-216702.0% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 78% of all scored CVEs.
- Moderate exploitation riskCVE-2021-216711.7% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 75% of all scored CVEs.
- Elevated exploitation riskCVE-2021-2167242.5% 30-day exploitation probability — well above the norm. Schedule remediation this cycle. Riskier than 99% of all scored CVEs.
- Moderate exploitation riskCVE-2021-216731.6% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 73% of all scored CVEs.
- Low exploitation riskCVE-2021-216740.97% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 58% of all scored CVEs.
- Moderate exploitation riskCVE-2021-216751.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 66% of all scored CVEs.
- Moderate exploitation riskCVE-2021-216761.4% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 69% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2021-21670 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21671 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21672 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21673 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21674 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21675 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21676 | 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