Information disclosure in Siemens Cp-8000 Master Module With I\/o -25\/\+70
CVE-2021-45034
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). The web server of the affected system allows access to logfiles and diagnostic data generated by a privileged user. An unauthenticated attacker could access the files by knowing the corresponding download links.
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: 0.023 (82.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · 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 < V16.20
- 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 < V16.20
- Siemens Cp-8000 Master Module With I\/o -40\/\+70 Firmware
- Siemens Cp-8021 Master Module — versions All versions < V16.20
- Siemens Cp-8021 Master Module
- Siemens Cp-8021 Master Module Firmware
- Siemens Cp-8022 Master Module With Gprs — versions All versions < V16.20
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-324998.pdf (Patch, Vendor Advisory)
- seclists.org/fulldisclosure/2022/Apr/20 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/166743/Siemens-A8000-CP-8050-CP-8031-SICAM-WEB-Mi… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45034?
- CVE-2021-45034 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 2022-01-11.
- How severe is CVE-2021-45034?
- High severity. CVSS v3 base score is 7.5 out of 10.