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Vulnerability record · CVE-2021-31646 · published 26 April 2021

CVE-2021-31646: Gestsup improper restriction of authentication attempts vulnerability

GGestsup · Gestsup

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.

9.8 CVSS 3.1 Critical EPSS 1.3% · top 29.9% CWE-307 · Improper restriction of authentication attempts
9.8CVSS 3.1 base score, v2 7.5
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.9CVE-2026-22194Gestsup cross-site request forgery vulnerabilityGestSup versions up to and including 3.2.60 contain a cross-site request forgery (CSRF) vulnerability where the application does not verify the authe…EPSS 0.24%7.7CVE-2026-22196Gestsup sql injection vulnerabilityGestSup versions prior to 3.2.60 contain a SQL injection vulnerability in ticket creation functionality. User-controlled input provided during ticket…EPSS 0.32%7.7CVE-2026-22195Gestsup sql injection vulnerabilityGestSup versions prior to 3.2.60 contain a SQL injection vulnerability in the search bar functionality. User-controlled search input is incorporated …EPSS 0.32%7.5CVE-2026-22197Gestsup sql injection vulnerabilityGestSup versions prior to 3.2.60 contain multiple SQL injection vulnerabilities in the asset list functionality. Multiple request parameters used to …EPSS 0.33%5.4CVE-2023-52059Gestsup cross-site scripting vulnerabilityA cross-site scripting (XSS) vulnerability in Gestsup v3.2.46 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injecte…EPSS 0.39%5.1CVE-2026-22198Gestsup cross-site scripting vulnerabilityGestSup versions prior to 3.2.60 contain a pre-authentication stored cross-site scripting (XSS) vulnerability in the API error logging functionality.…EPSS 0.30%4.3CVE-2023-52060Gestsup cross-site request forgery vulnerabilityA Cross-Site Request Forgery (CSRF) in Gestsup v3.2.46 allows attackers to arbitrarily edit user profile information via a crafted request.EPSS 0.26%

Source: NIST National Vulnerability Database (record CVE-2021-31646), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.