UpHeron
All vulnerabilities

Servers and applications

CVE-2021-39880

A Denial Of Service vulnerability in the apollo_upload_server Ruby gem in GitLab CE/EE all versions starting from 11.9 before 14.0.9, all versions starting from 14.1 before 14.1.4, and all versions starting from 14.2 before 14.2.2 allows an attacker to deny access to all users via specially crafted requests to the apollo_upload_server middleware.

Severity
Medium 6.5
Published
5 Oct 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
14.0.9, 14.1.4, 14.2.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • After 11.9.0 before 14.0.9
  • From 11.9.0 before 14.0.9
  • After 14.1.0 before 14.1.4
  • From 14.1.0 before 14.1.4
  • From 14.2.0 before 14.2.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-39880
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-39880