CVE-2021-21691
Critical
Description
Creating symbolic links is possible without the 'symlink' agent-to-controller access control permission in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Jenkins
PublishedNov 4, 2021
First seenNov 4, 2021
How to fix
Update
- jenkins jenkins2.303.3, 2.319 or later
- org.jenkins-ci.main:jenkins-core2.303.3, 2.319 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jenkins jenkins | v < 2.303.3, v < 2.319 | 2.303.3, 2.319 |
| org.jenkins-ci.main:jenkins-coreMaven | v < 2.303.3, 2.304 ≤ v < 2.319 | 2.303.3, 2.319 |
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