What’s Vulnerable › Vulnerabilities

CVE-2021-43290

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-14 · updated 2026-06-17
• Weakness: CWE-22

Description

An issue was discovered in ThoughtWorks GoCD before 21.3.0. An attacker who has compromised a GoCD agent can upload a malicious file into a directory of a GoCD server. They can control the filename but the directory is placed inside of a directory that they can't control.

Affected products

• gocd: before 21.3.0 — fixed in 21.3.0

How to fix

Upgrade to a fixed version: gocd 21.3.0. Check the vendor advisory for mitigations.

References

• https://blog.sonarsource.com/gocd-vulnerability-chain
• https://github.com/gocd/gocd/commit/4c4bb4780eb0d3fc4cacfc4cfcc0b07e2eaf0595
• https://github.com/gocd/gocd/commit/c22e0428164af25d3e91baabd3f538a41cadc82f
• https://www.gocd.org/releases/#21-3-0
• https://blog.sonarsource.com/gocd-vulnerability-chain
• https://github.com/gocd/gocd/commit/4c4bb4780eb0d3fc4cacfc4cfcc0b07e2eaf0595
• https://github.com/gocd/gocd/commit/c22e0428164af25d3e91baabd3f538a41cadc82f
• https://www.gocd.org/releases/#21-3-0

Get alerted when CVE-2021-43290 or the next vulnerability affects your stack