CVE-2021-45034: siemens cp-8000_master_module_with_i\/o_-25\/\+70_firmware Improper Access Control
Vulnerability summary
CVE-2021-45034 is a high (CVSS 7.5) Improper Access Control vulnerability in siemens cp-8000_master_module_with_i\/o_-25\/\+70_firmware. EPSS estimates a 2.31% chance of exploitation in the next 30 days, higher than 83.2% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 11-01-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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). 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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.31%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.31% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (seclists.org)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Siemens6 products
- cp-8000_master_module_with_i\/o_-25\/\+70_firmware< 16.20
- cp-8000 master module with i/o -25/+70°cAll versions < V16.20
- cp-8000_master_module_with_i\/o_-40\/\+70_firmware< 16.20
- cp-8000 master module with i/o -40/+70°cAll versions < V16.20
- cp-8021_master_module_firmwareAll versions < V16.20 | < 16.20
1 vendor · 6 products