Jenkins Security Advisory 2021-03-18
Affects plugin: AWS Credentials Affects plugin: Libvirt Agents Affects plugin: Matrix Authorization Strategy Affects plugin: Role-based Authorization Strategy Affects plugin: Warnings
CSIRTS triage
- What
- Multiple plugins are affected by security vulnerabilities.
- Who is affected
- Deployments of the affected plugins in Jenkins.
- Urgency
- Remediation is necessary as vulnerabilities could be exploited, though exploitation status is currently unknown.
- Action
- Update the affected plugins to their latest versions.
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/2021-03-18/
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-2021-216231.0% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 61% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2021-216240.88% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 56% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2021-216250.72% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2021-216260.86% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 56% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2021-216270.82% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 54% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2021-21623 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21624 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21625 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21626 | coverage & exploitation status | NVD · CVE.org |
| CVE-2021-21627 | coverage & exploitation status | NVD · CVE.org |
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