#VU80806 Improper access control in Craft CMS - CVE-2023-41892

Vulnerability identifier: #VU80806

Vulnerability risk: High

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-41892

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Craft CMS
Web applications / CMS

Vendor: Pixel & Tonic, Inc.

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper access restrictions. A remote non-authenticated attacker can bypass implemented security restrictions and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Craft CMS: 4.0.0 - 4.4.14

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External links
https://github.com/craftcms/cms/security/advisories/GHSA-4w8r-3xrw-v25g
https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#4415---2023-07-03-critical

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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. However, a fully functional exploit for this vulnerability is available.