Vulnerability identifier: #VU52493

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21643

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Config File Provider
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 in several HTTP endpoints. A remote authenticated attacker can enumerate system-scoped credentials IDs of credentials stored in Jenkins

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Config File Provider: 1.0 - 3.7.0

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External links
http://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2254
http://www.openwall.com/lists/oss-security/2021/04/21/2

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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.