CVE-2021-40889

CRITICAL

CMSUno 1.7.2 - Authenticated PHP Code Execution via Password Change Function

Title source: llm
STIX 2.1

Description

CMSUno version 1.7.2 is affected by a PHP code execution vulnerability. sauvePass action in {webroot}/uno/central.php file calls to file_put_contents() function to write username in password.php file when a user successfully changed their password. The attacker can inject malicious PHP code into password.php and then use the login function to execute code.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/boiteasite/cmsuno/issues/19

Scores

CVSS v3 9.8
EPSS 0.0179
EPSS Percentile 75.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-94
Status published
Products (1)
cmsuno_project/cmsuno 1.7.2
Published Oct 11, 2021
Tracked Since Feb 18, 2026