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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
GitLabCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
VendorProductVersion
gitlabgitlab
11.9.0 <
𝑥
< 14.0.9
gitlabgitlab
11.9.0 ≤
𝑥
< 14.0.9
gitlabgitlab
14.1.0 <
𝑥
< 14.1.4
gitlabgitlab
14.1.0 ≤
𝑥
< 14.1.4
gitlabgitlab
14.2.0 ≤
𝑥
< 14.2.2
gitlabgitlab
14.2.0 ≤
𝑥
< 14.2.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
16.8.4-1
fixed
bullseye
no-dsa
ruby-apollo-upload-server
bullseye
no-dsa
bookworm
2.1.0-1
fixed
sid
2.1.6-1
fixed
trixie
2.1.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
focal
dne
bionic
dne
xenial
ignored
trusty
dne
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39880.json
https://gitlab.com/gitlab-org/gitlab/-/issues/330561
https://hackerone.com/reports/1181284
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39880.json
https://gitlab.com/gitlab-org/gitlab/-/issues/330561
https://hackerone.com/reports/1181284