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CVE-2021-39889

Published: 5 October 2021

In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.

Priority

Medium

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package Release Status
gitlab
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

hirsute Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

impish Does not exist

kinetic Does not exist

lunar Does not exist

xenial Needed

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 4.3
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N