CVE-2021-21697
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
Agent-to-controller access control allows reading/writing most content of build directories in Jenkins
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: arch — https://security.archlinux.org/ASA-202111-1
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2.319-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | <2.303.3 | 2.303.3 |
| Maven | org.jenkins-ci.main:jenkins-core | >=2.304,<2.319 | 2.319 |
References
- https://security.archlinux.org/ASA-202111-1
- https://nvd.nist.gov/vuln/detail/CVE-2021-21697
- https://github.com/jenkinsci/jenkins/commit/cf388d2a04e6016d23eb93fa3cc804f2554b98f0
- https://github.com/jenkinsci/jenkins/commit/eae33841b587da787f37d5b6c8451d483edc04d9
- https://github.com/jenkinsci/jenkins
- https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2428
- http://www.openwall.com/lists/oss-security/2021/11/04/3
Verify integrity in audit chain (admin only). AS-IS.