CVE-2021-31646

CRITICAL
Published Apr 26, 20215y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Apr 26, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-307

Affected Products 1

VendorProductVersionRange
gestsupgestsup* <3.2.10

References 3

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

Remediation

  • gestsup.fr https://gestsup.fr/index.php?page=download
    PatchVendor Advisory
  • gestsup.fr https://gestsup.fr/index.php?page=download&channel=beta&version=3.2.10&type=patch
    PatchVendor Advisory