Information disclosure in Siemens Mendix Runtime

1) Observable Response Discrepancy

EUVDB-ID: #VU97141

Risk: Medium

CVSSv4.0: [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-2023-49069

CWE-ID: CWE-204 - Observable Response Discrepancy

Exploit availability: No

Description

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

The vulnerability exists due to the observable response discrepancy issue when validating usernames. A remote attacker can determine if a username is valid or not.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mendix Runtime: 8.0 - 10.12

CPE2.3

• cpe:2.3:a:siemens:mendix_runtime:8.0:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_runtime:9.0:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:mendix_runtime:10.0:*:*:*:*:*:*:*

External links

http://cert-portal.siemens.com/productcert/html/ssa-097435.html
http://www.cisa.gov/news-events/ics-advisories/icsa-24-256-05

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.