#VU79507 Untrusted search path in CODESYS Development System - CVE-2023-3662

Vulnerability identifier: #VU79507

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-2023-3662

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
CODESYS Development System
Client/Desktop applications / Other client software

Vendor: CODESYS

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to usage of an untrusted search path. A local user can place a malicious binary into a specific location on the system and execute arbitrary code with escalated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CODESYS Development System: before 3.5.19.20

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External links
https://cert.vde.com/en/advisories/VDE-2023-021/

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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.