Improper Authentication in Jenkins Assembla merge request builder plugin



Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2023-30521
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Assembla merge request builder
Web applications / Modules and components for CMS

Vendor Jenkins

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU75074

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-30521

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a lack of authentication mechanism within the webhook endpoint at /assembla-webhook/. A remote attacker can access this endpoint without authentication.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Assembla merge request builder: 1.1.1 - 1.1.13

CPE2.3 External links

https://www.jenkins.io/security/advisory/2023-04-12/#SECURITY-2872


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.



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