Vulnerability CVE-2021-31646
Published: 2021-04-26

Description:
Gestsup before 3.2.10 allows account takeover through the password recovery functionality (remote). The affected component is the file forgot_pwd.php - it uses a weak algorithm for the generation of password recovery tokens (the PHP uniqueid function), allowing a brute force attack.

Type:

CWE-307

 (Improper Restriction of Excessive Authentication Attempts)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Gestsup -> Gestsup 

 References:
https://gestsup.fr/index.php?page=download&channel=beta&version=3.2.10&type=patch
https://dojo.maltem.ca/public/advisories/CVE-2021-31646.html
https://gestsup.fr/index.php?page=download
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