#VU67308 Improper access control in CoreShield One-Way Gateway - CVE-2022-38466

Vulnerability identifier: #VU67308

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-38466

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
CoreShield One-Way Gateway
Hardware solutions / Firmware

Vendor: Siemens

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the default installation sets insecure file permissions. A local user can bypass implemented security restrictions and gain elevated privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CoreShield One-Way Gateway: before 2.2

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-589975.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.