#VU81910 Observable discrepancy in Siemens products - CVE-2023-43623

Vulnerability identifier: #VU81910

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-43623

CWE-ID: CWE-203

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mendix Forgot Password (Mendix 7 compatible)
Hardware solutions / Firmware
Mendix Forgot Password (Mendix 8 compatible)
Hardware solutions / Firmware
Mendix Forgot Password (Mendix 9 compatible)
Hardware solutions / Firmware
Mendix Forgot Password (Mendix 10 compatible)
Hardware solutions / Firmware

Vendor: Siemens

Description

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

The vulnerability exists due to distinguishable responses. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mendix Forgot Password (Mendix 7 compatible): before 3.7.3

Mendix Forgot Password (Mendix 8 compatible): before 4.1.3

Mendix Forgot Password (Mendix 9 compatible): before 5.4.0

Mendix Forgot Password (Mendix 10 compatible): before 5.4.0

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-295483.pdf

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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.