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CVE Record

CVE-2021-43287: An issue was discovered in ThoughtWorks GoCD before 21.3.0.

An issue was discovered in ThoughtWorks GoCD before 21.3.0. The business continuity add-on, which is enabled by default, leaks all secrets known to the GoCD server to unauthenticated attackers.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

GoCD servers before 21.3.0 could expose every secret known to the server to an unauthenticated attacker through the business continuity add-on, which was enabled by default. For a CI/CD system, leaked secrets can create serious downstream business risk because they may unlock source, deployment, or infrastructure access depending on local configuration.

Executive priority

Treat this as urgent for any GoCD deployment before 21.3.0. A CI/CD server often concentrates credentials used across engineering and production workflows, so unauthenticated secret exposure can quickly become a wider compromise risk even without public proof of active exploitation.

Technical view

CVE-2021-43287 affects ThoughtWorks GoCD before 21.3.0. The issue is a pre-authentication secret disclosure in the default-enabled business continuity add-on. The source bundle provides no CVSS, CWE, or product CPE detail, but the stated impact is full disclosure of server-known secrets to unauthenticated users.

Likely exposure

Exposure is most likely where an internet-accessible or broadly reachable GoCD server runs a version before 21.3.0 with the business continuity add-on present. The bundle does not identify affected CPEs or configuration exceptions beyond the add-on being enabled by default.

Exploitation context

The provided sources do not show CISA KEV listing or confirmed active exploitation. SonarSource describes the issue in a pre-authentication pipeline takeover context, but the bundle does not provide evidence that exploitation was observed in the wild.

Researcher notes

The strongest evidence is the CVE description, GoCD 21.3.0 release reference, upstream commit, and SonarSource write-up. The bundle lacks CVSS, CWE, exact CPEs, and observed exploitation evidence, so validation should focus on version exposure and secret-rotation decisions, not unsupported exploit claims.

Mitigation direction

  • Upgrade GoCD to 21.3.0 or a later vendor-supported release.
  • Review GoCD 21.3.0 release notes and vendor guidance for the security fix.
  • Rotate secrets known to any affected GoCD server after remediation.
  • Restrict network access to GoCD management surfaces while remediation is underway.
  • Audit pipelines and credentials for suspicious access after possible exposure.

Validation and detection

  • Inventory GoCD servers and confirm each running version.
  • Check whether any server is older than 21.3.0.
  • Confirm the business continuity add-on exposure on legacy instances without probing for secrets.
  • Review logs for unauthenticated access to GoCD add-on or backup-related endpoints.
  • Verify post-upgrade that exposed secrets have been rotated where required.
Prepared
Confidence
high
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.