CVE-2021-21615
Time-of-check Time-of-use (TOCTOU) Race Condition in Jenkins
5.3
MEDIUM
CVSS 3.1
EPSS 0.90%
Description
Jenkins LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.
How to fix CVE-2021-21615
To remediate CVE-2021-21615, upgrade the affected package to a fixed version below.
- Bitnami/jenkins—upgrade to 2.276.0 or later
- —upgrade to 2.263.3 or later
Is CVE-2021-21615 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.276.0
- from 0, < 2.263.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |