#VU54923 Improper Authorization in Mendix - CVE-2021-33718

Vulnerability identifier: #VU54923

Vulnerability risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-33718

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mendix
Client/Desktop applications / Other client software

Vendor: Siemens

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper authorization enforcement. A remote authenticated attacker can bypass write access checks of attributes of an object.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mendix: before 7.23.22

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-352521.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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