CVE-2021-45033
Last modified
CVE-2021-45033 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.91% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Cp-8000 Master Module With I\/O -25\/\+70 Firmware | < 16.20 |
| Siemens | Cp-8000 Master Module With I\/O -40\/\+70 Firmware | < 16.20 |
| Siemens | Cp-8021 Master Module Firmware | < 16.20 |
| Siemens | Cp-8022 Master Module With Gprs Firmware | < 16.20 |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-324998.pdfPatch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-324998.pdfPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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