Vulnerability identifier: #VU87705

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21677

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Atlassian Confluence Server
Server applications / Web servers
Confluence Data Center
Server applications / Other server solutions

Vendor: Atlassian

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Atlassian Confluence Server: 8.8.0, 8.5.0 - 8.5.6, 8.7.0 - 8.7.2, 8.6.0 - 8.6.2, 8.4.0 - 8.4.5, 8.1.0 - 8.1.4, 8.3.0 - 8.3.4, 8.2.0 - 8.2.3, 8.0.0 - 8.0.4, 7.19.0 - 7.19.19, 7.20.0 - 7.20.3, 7.18.0 - 7.18.3, 7.17.0 - 7.17.5

Confluence Data Center: 8.8.0, 8.5.0 - 8.5.6, 8.7.0 - 8.7.2, 8.6.0 - 8.6.2, 8.4.0 - 8.4.5, 8.1.0 - 8.1.4, 8.3.0 - 8.3.4, 8.2.0 - 8.2.3, 8.0.0 - 8.0.4, 7.19.0 - 7.19.19, 7.20.0 - 7.20.3, 7.18.0 - 7.18.3, 7.17.0 - 7.17.5

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External links
http://confluence.atlassian.com/pages/viewpage.action?pageId=1369444862
http://jira.atlassian.com/browse/CONFSERVER-94604

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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.