Vulnerability identifier: #VU51595

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21623

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Matrix Authorization Strategy
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to the affected plugin does not correctly perform permission checks to determine whether an item should be accessible. A remote authenticated attacker can gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Matrix Authorization Strategy: 2.6.5

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External links
http://www.openwall.com/lists/oss-security/2021/03/18/5
http://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2180

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.