Vulnerability in Siemens Cp-8000 Master Module With I\/o -25\/\+70
CVE-2021-46304
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (50.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Siemens Cp-8000 Master Module With I\/o -25\/\+70
- Siemens Cp-8000 Master Module With I/o -25/+70°c — versions All versions
- Siemens Cp-8000 Master Module With I\/o -25\/\+70 Firmware
- Siemens Cp-8000 Master Module With I\/o -40\/\+70
- Siemens Cp-8000 Master Module With I/o -40/+70°c — versions All versions
- Siemens Cp-8000 Master Module With I\/o -40\/\+70 Firmware
- Siemens Cp-8021 Master Module — versions All versions
- Siemens Cp-8021 Master Module
- Siemens Cp-8021 Master Module Firmware
- Siemens Cp-8022 Master Module With Gprs — versions All versions
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-185638.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-46304?
- CVE-2021-46304 is a high-severity vulnerability in Siemens Cp-8000 Master Module With I\/o -25\/\+70, classified under Improper Access Control. CVSS score: 7.5/10. Published 2022-08-10.
- How severe is CVE-2021-46304?
- High severity. CVSS v3 base score is 7.5 out of 10.