Vulnerability identifier: #VU50835

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21308

CWE-ID: CWE-613

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PrestaShop
Web applications / E-Commerce systems

Vendor: PrestaShop SA

Description

The vulnerability allows a remote attacker to impersonate web application users.

The vulnerability exists due to insufficient session expiration issue within the soft logout feature. A remote non-authenticated attacker can impersonate web application users and execute customer commands.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PrestaShop: 1.5.0.0 - 1.7.7.1

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External links
http://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-557h-hf3c-whcg/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.