Vulnerability identifier: #VU66359

Vulnerability risk: Medium

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-46304

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CP-8000 MASTER MODULE WITH I/O -25/+70°C
Hardware solutions / Routers & switches, VoIP, GSM, etc
CP-8000 MASTER MODULE WITH I/O -40/+70°C
Hardware solutions / Routers & switches, VoIP, GSM, etc
CP-8021 MASTER MODULE
Hardware solutions / Routers & switches, VoIP, GSM, etc
CP-8022 MASTER MODULE WITH GPRS
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Siemens

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected component allows to activate a web server module which provides unauthenticated access to its web pages. A remote attacker can retrieve debug-level information.

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

Vulnerable software versions

CP-8000 MASTER MODULE WITH I/O -25/+70°C: All versions

CP-8000 MASTER MODULE WITH I/O -40/+70°C: All versions

CP-8021 MASTER MODULE: All versions

CP-8022 MASTER MODULE WITH GPRS: All versions

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External links
http://cert-portal.siemens.com/productcert/txt/ssa-185638.txt

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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.