#VU78709 Improper access control in Qualys Web App Scanning Connector - CVE-2023-39154

Vulnerability identifier: #VU78709

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-39154

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Qualys Web App Scanning Connector
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected plugin does not correctly perform permission checks in several HTTP endpoints. A remote user can connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Qualys Web App Scanning Connector: 2.0.3 - 2.0.10

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External links
https://jenkins.io/security/advisory/2023-07-26/

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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.