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Vulnerability · Published Aug 10, 2022 · Assigned by siemens

CVE-2021-46304

Medium 5.3

In plain English

A medium-severity improper access control in CP-8000 MASTER MODULE WITH I/O -25/+70°C from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 46.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in 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). The component allows to activate a web server module which provides unauthenticated access to its web pages. This could allow an attacker to retrieve debug-level information from the component such as internal network topology or connected systems.

Affected products (as reported)

VendorProductVersions
Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C All versions
Siemens CP-8000 MASTER MODULE WITH I/O -40/+70°C All versions
Siemens CP-8021 MASTER MODULE All versions
Siemens CP-8022 MASTER MODULE WITH GPRS All versions

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References