#VU47406 Use of hard-coded credentials in PEPPERL+FUCHS products - CVE-2020-12501

Vulnerability identifier: #VU47406

Vulnerability 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-2020-12501

CWE-ID: CWE-798

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RocketLinx ES7510-XT
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES8509-XT
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES8510-XT
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES9528-XTv2
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES7506
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES7510
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES7528
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES8508
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES8508F
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES8510
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES8510-XTE
Hardware solutions / Routers & switches, VoIP, GSM, etc
RocketLinx ES9528/ES9528-XT
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: PEPPERL+FUCHS

Description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable syste

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

Vulnerable software versions

RocketLinx ES7510-XT: 2.1b

RocketLinx ES8509-XT: 2.1a

RocketLinx ES8510-XT: 3.1a

RocketLinx ES9528-XTv2: 2.1a

RocketLinx ES7506: 2.1b

RocketLinx ES7510: 1.4

RocketLinx ES7528: All versions

RocketLinx ES8508: All versions

RocketLinx ES8508F: All versions

RocketLinx ES8510: 3.1a

RocketLinx ES8510-XTE: All versions

RocketLinx ES9528/ES9528-XT: All versions

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

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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.