Insufficient verification of data authenticity in Phoenix Contact ProConOS and MULTIPROG

1) Insufficient verification of data authenticity

EUVDB-ID: #VU64576

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-31801

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromsie the target system.

The vulnerability exists due to insufficient verification of data authenticity in the SDK. A remote attacker can upload logic with arbitrary malicious code.

Mitigation

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

Vulnerable software versions

ProConOS: All versions

ProConOS eCLR: All versions

MULTIPROG: All versions

CPE2.3

• cpe:2.3:a:phoenix_contact_gmbh:proconos:*:*:*:*:*:*:*:*
• cpe:2.3:a:phoenix_contact_gmbh:proconos_eclr:*:*:*:*:*:*:*:*
• cpe:2.3:a:phoenix_contact_gmbh:multiprog:*:*:*:*:*:*:*:*

External links

https://cert.vde.com/en/advisories/VDE-2022-026/

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.