Protection Mechanism Failure in Siemens TIA Portal

1) Protection Mechanism Failure

EUVDB-ID: #VU77356

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-30757

CWE-ID: CWE-693 - Protection Mechanism Failure

Exploit availability: No

Description

The vulnerability allows a local attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient implementation of security measures in the know-how protection feature. A local attacker can recover previous, yet unprotected, versions of the project without the knowledge of the know-how protection password.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

TIA Portal: 14 - 18

External links

http://cert-portal.siemens.com/productcert/pdf/ssa-042050.pdf

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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