CVE-2021-21689 is a critical access control vulnerability affecting Jenkins 2.318 and earlier, and LTS 2.303.2 and earlier, where the FilePath#unzip and FilePath#untar functions lacked proper agent-to-controller access control. With a CVSS score of 9.1 (CRITICAL), this vulnerability allows an unauthenticated attacker to achieve high confidentiality and integrity impact over the network with low attack complexity. Despite its severity, there is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.318CPE match | cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:* | ||
< 2.303.3CPE matchmatch criteria | cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* | ||
< 2.319CPE matchmatch criteria | cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.