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CVE-2021-43290

31
FAUCET Score

CVE-2021-43290 is a critical vulnerability affecting ThoughtWorks GoCD versions prior to 21.3.0, allowing a compromised GoCD agent to upload malicious files to the GoCD server. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, its high FAUCET Risk Score of 84/100 indicates significant potential danger.

Impacted Technologies

VendorProductVersion(s)CPE
< 21.3.0CPE matchmatch criteria
cpe:2.3:a:thoughtworks:gocd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.17%
Probability of exploitation in next 30 days
EPSS Percentile
86.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0317 is in the 78th percentile among its peer group of 36,862 CVEs.

Social Chatter

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.

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 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

blog.sonarsource.com / gocd-vulnerability-chain
ExploitPatchThird Party Advisory
github.com / gocd/gocd/commit/4c4bb4780eb0d3fc4cacfc4cfcc0b07e2eaf0595
PatchThird Party Advisory
github.com / gocd/gocd/commit/c22e0428164af25d3e91baabd3f538a41cadc82f
PatchThird Party Advisory
gocd.org / releases
Issue TrackingRelease NotesVendor Advisory