Multiple vulnerabilities in Siemens Mendix Studio Pro

Published: 2021-11-18

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-42025 CVE-2021-42026
CWE-ID	CWE-285
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Mendix Applications using Mendix 8 Client/Desktop applications / Other client software Mendix Applications using Mendix 9 Client/Desktop applications / Other client software
Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authorization

EUVDB-ID: #VU58241

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-42025

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to applications built with affected versions of Mendix Studio Pro do not properly control write access for certain client actions. A remote authenticated attacker can manipulate the content of specific objects regardless of whether they have write access.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mendix Applications using Mendix 8: before 8.18.13

Mendix Applications using Mendix 9: before 9.6.2

External links

http://cert-portal.siemens.com/productcert/pdf/ssa-779699.pdf

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.

2) Improper Authorization

EUVDB-ID: #VU58242

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-42026