Incorrect Implementation of Authentication Algorithm in Siemens Mendix SAML Module

1) Incorrect Implementation of Authentication Algorithm

EUVDB-ID: #VU73709

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25957

CWE-ID: CWE-303 - Incorrect Implementation of Authentication Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected application insufficiently verifies the SAML assertions. A remote attacker can bypass authentication and get access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mendix SAML (Mendix 7 compatible): 1.16.4 - 1.17.2

Mendix SAML (Mendix 8 compatible): 2.2.0 - 2.2.3

Mendix SAML (Mendix 9 compatible, New Track): 3.1.9 - 3.2.5

Mendix SAML (Mendix 9 compatible, Upgrade Track): 3.1.9 - 3.2.5

External links

http://cert-portal.siemens.com/productcert/pdf/ssa-851884.pdf

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.