#VU80759 Insufficient Session Expiration in QMS Automotive - CVE-2023-40732

Vulnerability identifier: #VU80759

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-40732

CWE-ID: CWE-613

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
QMS Automotive
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to insufficient session expiration issue in the QMS.Mobile module. A local user can perform session hijacking attacks.

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.