CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2021-39880
Medium (6.5) in gitlab gitlab. EPSS 2.1% chance of exploitation in the next 30 days. Fixed in apollo_upload_server 2.1.0.
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
- EPSS
- 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- gitlab:gitlab
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-w6pv-c757-6rgr | RubyGems | apollo_upload_server | <2.1.0 | 2.1.0 |