#VU27325 Improper access control in PrestaShop - CVE-2020-5293

Vulnerability identifier: #VU27325

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-5293

CWE-ID: CWE-284

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 gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions on product page with combinations, attachments and specific prices. A remote authenticated attacker can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PrestaShop: 1.7.0.0 - 1.7.6.4

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External links
https://github.com/PrestaShop/PrestaShop/commit/f9f442c87755908e23a6bcba8c443cdea1d78a7f
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-cvjj-grfv-f56w

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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