CVE-2021-39880

published 2021-10-05

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…

Priority P3 35 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

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

12 ranges

Vendor	Product	Version range	Fixed in
debian	gitlab	< gitlab 15.10.8+ds1-2 (sid)	gitlab 15.10.8+ds1-2 (sid)
debian	ruby-apollo-upload-server	< gitlab 15.10.8+ds1-2 (sid)	gitlab 15.10.8+ds1-2 (sid)
gitlab	gitlab	< 14.0.9	14.0.9
gitlab	gitlab	< 14.1.4	14.1.4
gitlab	gitlab	—	—
gitlab	gitlab	—	—
gitlab	gitlab	—	—
gitlab	gitlab	—	—
gitlab	gitlab	>= 11.9.0 < 14.0.9	14.0.9
gitlab	gitlab	>= 14.1.0 < 14.1.4	14.1.4
gitlab	gitlab	>= 14.2.0 < 14.2.2	14.2.2
gitlab	gitlab_ce	—	—

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 4.0 MEDIUM AV:N/AC:L/Au:S/C:N/I:N/A:P

osv 6.5 MEDIUM

vendor_debian 6.5 MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.