Hidden functionality in PEPPERL+FUCHS products - CVE-2020-12504

Vulnerability identifier: #VU47409

CSH Severity: High

CVSSv4.0: 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-2020-12504

CWE-ID: CWE-912

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
RocketLinx ES7510-XT
RocketLinx ES8509-XT
RocketLinx ES8510-XT
RocketLinx ES9528-XTv2
RocketLinx ES7506
RocketLinx ES7510
RocketLinx ES7528
RocketLinx ES8508
RocketLinx ES8508F
RocketLinx ES8510
RocketLinx ES8510-XTE
RocketLinx ES9528/ES9528-XT

Software vendor:
PEPPERL+FUCHS

The vulnerability allows a remote attacker to compromise vulnerable system

The vulnerability exists due to hidden functionality (backdoor) is present in software. A remote attacker can use this functionality to gain full access to the application and compromise the affected system.

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

• https://packetstormsecurity.com/files/download/159469/SA-20201005-0.txt
• https://files.pepperl-fuchs.com/webcat/navi/productInfo/doct/tdoct6954__eng.pdf?v=20201005082419