Improper access control in Joomla!

1) Improper access control

EUVDB-ID: #VU72333

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-2023-23752

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the web application.

The vulnerability exists due to improper access restrictions to Web Service endpoints. A remote attacker can bypass implemented security restrictions and compromise the web application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Joomla!: 4.0.0 - 4.2.7

CPE2.3

• cpe:2.3:a:joomla:joomla:4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:joomla:joomla:4.1.2:*:*:*:*:*:*:*

External links

https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html

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?

Yes. This vulnerability is being exploited in the wild.