CVE-2021-45033
Reported by siemens · Published January 11, 2022
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| cp-8000_master_module_with_i\/o_-25\/\+70_firmware | siemens | 16.20 |
| cp-8022_master_module_with_gprs_firmware | siemens | 16.20 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | CP-8000 MASTER MODULE WITH I/O -25/+70°C | All versions < V16.20 |
| Siemens | CP-8000 MASTER MODULE WITH I/O -40/+70°C | All versions < V16.20 |
| Siemens | CP-8021 MASTER MODULE | All versions < V16.20 |
| Siemens | CP-8022 MASTER MODULE WITH GPRS | All versions < V16.20 |
| Siemens | CP-8000 MASTER MODULE WITH I/O -25/+70°C | * |
| Siemens | CP-8022 MASTER MODULE WITH GPRS | * |
| Siemens | CP-8021 MASTER MODULE | * |
| Siemens | CP-8000 MASTER MODULE WITH I/O -40/+70°C | * |
Timeline
- Jan 11, 2022 CVE Published
- Jan 12, 2022 EPSS Score (30 in total, the first dated here)
- Apr 9, 2026 Security Advisory
- Jul 16, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-45033
vulnetix vdb fixes CVE-2021-45033Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-45033/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart