CVE-2021-21308

Name: CVE-2021-21308
Creator: NVD / NIST
Published: 2021-02-26T20:15:12.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.05%

Last modified Jun 17, 2026

CVE-2021-21308 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.2 the soft logout system is not complete and an attacker is able to foreign request and executes customer commands. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

Description

PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.2 the soft logout system is not complete and an attacker is able to foreign request and executes customer commands. The problem is fixed in 1.7.7.2

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

1.05%

59.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Prestashop	Prestashop	> 1.5.0.0, < 1.7.7.2

References

https://github.com/PrestaShop/PrestaShop/commit/2f673bd93e313f08c35e74decc105f40dc0b7deePatch, Third Party Advisory
https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.2Release Notes, Third Party Advisory
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-557h-hf3c-whcgThird Party Advisory
https://github.com/PrestaShop/PrestaShop/commit/2f673bd93e313f08c35e74decc105f40dc0b7deePatch, Third Party Advisory
https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.2Release Notes, Third Party Advisory
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-557h-hf3c-whcgThird Party Advisory

Timeline

Published: Feb 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21308?

How severe is CVE-2021-21308?

CVE-2021-21308 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21308?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21308?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST