#VU72460 Improper access control in Siemens products - CVE-2023-23835

Vulnerability identifier: #VU72460

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-23835

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mendix Applications using Mendix 7
Client/Desktop applications / Other client software
Mendix Applications using Mendix 8
Client/Desktop applications / Other client software
Mendix Applications using Mendix 9
Client/Desktop applications / Other client software

Vendor: Siemens

Description

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

The vulnerability exists due to improper access restrictions. A remote attacker can bypass XPath constraints and retrieve information using XPath queries that trigger errors.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mendix Applications using Mendix 7: before 7.23.34

Mendix Applications using Mendix 8: before 8.18.23

Mendix Applications using Mendix 9: before 9.6.15

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-252808.pdficsa-23-047-11

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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.