Insufficient verification of data authenticity in Phoenix Contact Classic Line Controllers

1) Insufficient verification of data authenticity

EUVDB-ID: #VU64577

Risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-31800

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 of uploaded logic. A remote attacker can execute arbitrary code on the target system.

Mitigation

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

Vulnerable software versions

ILC 1x0: All versions

ILC 1x1: All versions

ILC 1x1 GSM/GPRS: 2700977

ILC 3xx: All versions

AXC 1050: 2700988

AXC 1050 XC: 2701295

AXC 3050: 2700989

RFC 480S PN 4TX: 2404577

RFC 470 PN 3TX: 2916600

RFC 470S PN 3TX: 2916794

RFC 460R PN 3TX: 2700784

RFC 460R PN 3TX-S: 1096407

RFC 430 ETH-IB: 2730190

RFC 450 ETH-IB: 2730200

PC WORX SRT: 2701680

PC WORX RT BASIC: 2700291

FC 350 PCI ETH: 2730844

External links

http://cert.vde.com/en/advisories/VDE-2022-025/
http://www.cisa.gov/uscert/ics/advisories/icsa-22-172-03

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

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

Is there known malware, which exploits this vulnerability?

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