Improper authorization in Atlassian Confluence Data Center and Server

1) Improper Authorization

EUVDB-ID: #VU82592

Risk: High

CVSSv4.0: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-22518

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass authorization process.

The vulnerability exists due to improper authorization checks. A remote non-authenticated attacker can send specially crafted requests to the server and modify data on the system or perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Confluence Data Center: 6.0.1 - 8.6.0

CPE2.3

• cpe:2.3:a:atlassian:confluence_data_center:6.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:confluence_data_center:6.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:confluence_data_center:6.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:confluence_data_center:6.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:confluence_data_center:6.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:confluence_data_center:6.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:confluence_data_center:6.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:confluence_data_center:6.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:confluence_data_center:6.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:confluence_data_center:6.1.2:*:*:*:*:*:*:*

External links

https://confluence.atlassian.com/security/cve-2023-22518-improper-authorization-vulnerability-in-confluence-data-center-and-confluence-server-1311473907.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.