#VU45747 Improper Authentication in Pivotal Concourse - CVE-2020-5415
Published: August 17, 2020
Vulnerability identifier: #VU45747
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-5415
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Pivotal Concourse
Pivotal Concourse
Software vendor:
Pivotal
Pivotal
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. Installations which use the GitLab auth connector, are vulnerable to identity spoofing by way of configuring a GitLab account with the same full name as another user who is granted access to a Concourse team.
Remediation
Install updates from vendor's website.