Vulnerability identifier: #VU49527
Vulnerability risk: Medium
CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Jenkins
Server applications /
Application servers
Jenkins LTS
Server applications /
Application servers
Vendor: Jenkins
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in workspace browsers. A remote authenticated attacker can create symbolic links that allow them to access files outside workspaces using the workspace browser.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Jenkins: 2.0 - 240
Jenkins LTS: 2.7.1 - 2.263.1
External links
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1452
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.