CVE-2021-29439

 

Published at: - 13-04-2021 10:15

Last modified: - 02-08-2022 06:15

Total changes: - 3

Description

The Grav admin plugin prior to version 1.10.11 does not correctly verify caller's privileges. As a consequence, users with the permission `admin.login` can install third-party plugins and their dependencies. By installing the right plugin, an attacker can obtain an arbitrary code execution primitive and elevate their privileges on the instance. The vulnerability has been addressed in version 1.10.11. As a mitigation blocking access to the `/admin` path from untrusted sources will reduce the probability of exploitation.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://github.com/getgrav/grav-plugin-admin/security/advisories/GHSA-wg37-cf5x-55hq
• https://blog.sonarsource.com/grav-cms-code-execution-vulnerabilities

 

Keywords

NVD

 

CVE-2021-29439

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures