CVE-2021-22201

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.9

Critical · published April 2, 2021

CVSS v3.1
9.6
EPSS
3%
Percentile
87.6
In the wild
Unconfirmed
What it is

🚨 A carefully crafted import file could snoop around your server like a rogue librarian accessing any book without permission! 🔥 Imagine someone sneaking into a library and reading any book they want without the librarian noticing. This vulnerability allows an attacker to access sensitive files on your server simply by exploiting a seemingly innocent import process. An attacker could read critical files on your server, potentially exposing sensitive information and compromising your entire application. This is absolutely devastating for any organization relying on GitLab for their development workflows, as it could lead to data leaks and unauthorized access.

Put simply

Imagine someone sneaking into a library and reading any book they want without the librarian noticing. This vulnerability allows an attacker to access sensitive files on your server simply by exploiting a seemingly innocent import process. This vulnerability in GitLab CE/EE enables an attacker to exploit specially crafted import files to read arbitrary files on the server, bypassing normal access controls.

What to do

An attacker could read critical files on your server, potentially exposing sensitive information and compromising your entire application. This is absolutely devastating for any organization relying on GitLab for their development workflows, as it could lead to data leaks and unauthorized access. Immediately upgrade your GitLab installation to version 13.9.5 or higher to close this loophole. Additionally, audit any import processes to ensure they’re secure against such attacks. You've got this! With these steps, you’ll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.03073 · 87.6th percentile
Published
2021-04-02T16:17Z
EPSS history
Timeline
  • 02 APR 16:17Z
    An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.9
    cvelistv5