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CVE-2021-25924

26
FAUCET Score

CVE-2021-25924 describes a Cross-Site Request Forgery (CSRF) vulnerability in GoCD versions 19.6.0 to 21.1.0, specifically affecting the /go/api/config/backup endpoint due to missing CSRF protection. This high-severity vulnerability (CVSS 8.8) allows an unauthenticated attacker to trick a user into clicking a malicious link, potentially leading to unauthorized changes in backup configurations or the execution of arbitrary system commands via the post_backup_script field. While the vulnerability has a high potential impact (C:H/I:H/A:H), there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
>= 19.6.0, < 21.2.0CPE matchmatch criteria
cpe:2.3:a:thoughtworks:gocd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 53rd percentile among its peer group of 14,855 CVEs.

Social Chatter

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.

Media 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.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / gocd/gocd/commit/7d0baab0d361c377af84994f95ba76c280048548
PatchThird Party Advisory
whitesourcesoftware.com / vulnerability-database/CVE-2021-25924%2C