CVE-2021-39935

Summary

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API

Affected Software

Weaknesses

• Server-side request forgery (ssrf) in GitLab

ADP Enrichment

CVE Program Container

Additional References

• https://gitlab.com/gitlab-org/gitlab/-/issues/346187
• https://hackerone.com/reports/1236965
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935

References

• https://gitlab.com/gitlab-org/gitlab/-/issues/346187
• https://hackerone.com/reports/1236965
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json

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