CVE-2021-39880
apollo_upload_server has Denial of Service vulnerability
6.5
MEDIUM
CVSS 3.1
EPSS 0.39%
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.
How to fix CVE-2021-39880
To remediate CVE-2021-39880, upgrade the affected package to a fixed version below.
- —upgrade to 14.0.9 or later
- —no fix listed
- —upgrade to 2.1.0 or later
Is CVE-2021-39880 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 11.9.0, < 14.0.9, >= 14.1.0, < 14.1.4, >= 14.2.0, < 14.2.2
- from 0
- from 0, < 2.1.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |