What’s Vulnerable › Vulnerabilities

CVE-2023-28489

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-11 · 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). Affected devices are vulnerable to command injection via the web server port 443/tcp, if the parameter “Remote Operation” is enabled. The parameter is disabled by default. The vulnerability could allow an unauthenticated remote attacker to perform arbitrary code execution on the device.

Affected products

• Siemens Cp-8031 Firmware: before cpci85_v05 — fixed in cpci85_v05
• Siemens Cp-8050 Firmware: before cpci85_v05 — fixed in cpci85_v05

How to fix

Upgrade to a fixed version: Siemens Cp-8031 Firmware cpci85_v05; Siemens Cp-8050 Firmware cpci85_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
• https://cert-portal.siemens.com/productcert/pdf/ssa-472454.pdf
• http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html
• http://seclists.org/fulldisclosure/2023/Jul/14
• https://cert-portal.siemens.com/productcert/pdf/ssa-472454.pdf

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