CVE-2021-45034
A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions <...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-45034- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-284, CWE-532
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-45034- Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2021-31831 No score
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.
- Record
EUVD-2021-31831- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ccpq-49jg-pfwr
A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions <...
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.
- Record
GHSA-ccpq-49jg-pfwr- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-532
- Updated
- 2026-11-02
Affected products
- siemens cp-8000 master module with i/o -25/+70°c
- siemens cp-8000 master module with i/o -40/+70°c
- siemens cp-8021 master module
- siemens cp-8022 master module with gprs
- siemens cp-8000 master module with i\/o -25\/\+70 firmware
- siemens cp-8000 master module with i\/o -40\/\+70 firmware
- siemens cp-8021 master module firmware
- siemens cp-8022 master module with gprs firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-45034 is a high vulnerability (CVSS 7.5) in Siemens Cp-8000 Master Module With I/o -25/+70°c, published January 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.38%, the 84th percentile. No source names a fixed version.