CVE-2023-33919

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 47.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-13 · updated 2026-06-17
Weakness: CWE-77

Description

A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05), CP-8050 MASTER MODULE (All versions < CPCI85 V05). The web interface of affected devices is vulnerable to command injection due to missing server side input sanitation. This could allow an authenticated privileged remote attacker to execute arbitrary code with root privileges.

Affected products

Siemens Cpci85 Firmware: before v05 — fixed in v05

How to fix

Upgrade to a fixed version: Siemens Cpci85 Firmware v05. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html
http://seclists.org/fulldisclosure/2023/Jul/14
http://seclists.org/fulldisclosure/2024/Jul/4
https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf
http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html
http://seclists.org/fulldisclosure/2023/Jul/14
http://seclists.org/fulldisclosure/2024/Jul/4
http://seclists.org/fulldisclosure/2025/Feb/19
https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf

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