CVE-2021-45033

Description

A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions < V16.20), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions < V16.20), CP-8021 MASTER MODULE (All versions < V16.20), CP-8022 MASTER MODULE WITH GPRS (All versions < V16.20). An undocumented debug port uses hard-coded default credentials. If this port is enabled by a privileged user, an attacker aware of the credentials could access an administrative debug shell on the affected device.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.28%
Vendor Advisory siemens.com
Affected: Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C
Affected: Siemens CP-8000 MASTER MODULE WITH I/O -40/+70°C
Affected: Siemens CP-8021 MASTER MODULE
Affected: Siemens CP-8022 MASTER MODULE WITH GPRS
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-324998.pdf patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-45033?
CVE-2021-45033 has been scored as a high severity vulnerability.
How to fix CVE-2021-45033?
To fix CVE-2021-45033, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45033 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-45033 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-45033?
CVE-2021-45033 affects Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C, Siemens CP-8000 MASTER MODULE WITH I/O -40/+70°C, Siemens CP-8021 MASTER MODULE, Siemens CP-8022 MASTER MODULE WITH GPRS.
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