#VU80742 Information Exposure Through an Error Message in QMS Automotive - CVE-2023-40725

Vulnerability identifier: #VU80742

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-40725

CWE-ID: CWE-209

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
QMS Automotive
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to affected application returns inconsistent error messages in response to invalid user credentials during login session. A local attacker can enumerate usernames, and identify valid usernames.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

QMS Automotive: before 12.39

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-147266.pdf

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.