PoC Index

CVE-2021-40889

CRITICAL 9.8EPSS 1.8%

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.

CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
1.85% chance of exploitation in the next 30 days, 78th percentile
Published
2021-10-11
Updated
2024-08-04

Proof-of-concept exploits (1)

References

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