CVE-2021-21638 is a critical cross-site request forgery (CSRF) vulnerability affecting Jenkins Team Foundation Server Plugin versions 5.157.1 and earlier. This flaw allows an unauthenticated attacker to trick a legitimate user into making a request that connects to an attacker-controlled URL using credentials already stored within Jenkins, leading to the capture of those credentials. With a CVSS score of 8.8 (High), the vulnerability is easily exploitable over the network with low complexity, potentially resulting in high impact to confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.157.1CPE matchmatch criteria | cpe:2.3:a:jenkins:team_foundation_server:*:*:*:*:*:jenkins:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.