Vulnerability identifier: #VU77356

Vulnerability 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

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
TIA Portal
Server applications / SCADA systems

Vendor: Siemens

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

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

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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.

Is there known malware, which exploits this vulnerability?

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