Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-5415 |
CWE-ID | CWE-287 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Pivotal Concourse Server applications / Application servers |
Vendor | Pivotal |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU45747
Risk: Medium
CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-5415
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPivotal Concourse: 6.3.0 - 6.4.0
External linkshttp://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj
http://tanzu.vmware.com/security/cve-2020-5415
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.