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HIGH · 8.8

CVE-2021-45033

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 ve...

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SiemensCp-8000 Master Module With I\/O -25\/\+70 Firmware< 16.20
SiemensCp-8000 Master Module With I\/O -25\/\+70All versions
SiemensCp-8000 Master Module With I\/O -40\/\+70 Firmware< 16.20
SiemensCp-8000 Master Module With I\/O -40\/\+70All versions
SiemensCp-8021 Master Module Firmware< 16.20
SiemensCp-8021 Master ModuleAll versions
SiemensCp-8022 Master Module With Gprs Firmware< 16.20
SiemensCp-8022 Master Module With GprsAll versions

Related Weaknesses (CWE)

CWE-798

References

FAQ

What is CVE-2021-45033?

CVE-2021-45033 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ve...

How severe is CVE-2021-45033?

CVE-2021-45033 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-45033?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Cp-8000 Master Module With I\/O -25\/\+70 Firmware, Siemens Cp-8000 Master Module With I\/O -25\/\+70, Siemens Cp-8000 Master Module With I\/O -40\/\+70 Firmware, Siemens Cp-8000 Master Module With I\/O -40\/\+70, Siemens Cp-8021 Master Module Firmware.