CVEvulnerability

CVE-2021-39880

6.5 MEDIUM Published 2021-10-05 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-10-05
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P

Description

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.

Affected configurations

• gitlab gitlab (> 11.9.0 < 14.0.9) • gitlab gitlab (>= 11.9.0 < 14.0.9) • gitlab gitlab (> 14.1.0 < 14.1.4) • gitlab gitlab (>= 14.1.0 < 14.1.4) • gitlab gitlab (>= 14.2.0 < 14.2.2)

References