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CVE-2021-43289

24
FAUCET Score

CVE-2021-43289 is a path traversal vulnerability affecting ThoughtWorks GoCD versions prior to 21.3.0. An attacker who has compromised a GoCD agent can upload a malicious file to any directory on the GoCD server, though they cannot control the filename. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a high impact on integrity with no confidentiality or availability impact, and can be exploited remotely with low complexity and no user interaction. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

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

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.31%
Probability of exploitation in next 30 days
EPSS Percentile
81.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0231 is in the 67th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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