Vulnerability identifier: #VU58385

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-44140

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JSPWiki
Web applications / CMS

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted HTTP request on logout and delete arbitrary files in a system hosting a JSPWiki instance.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

JSPWiki: 2.1.120 - 2.11.0M8

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External links
http://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-44140
http://lists.apache.org/thread/5qglpjdhvobppx7j550lf1sk28f6011t

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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.