TI-2023-13029 Aliases CVE-2023-28489 GHSA-x9qv-5m74-x74p

Command injection in Siemens CP-8031 MASTER MODULE

MEDIUM 54CWE-77Published 2023-04-11 · Updated 2025-02-13

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.02836 86th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Siemens	CP-8031 MASTER MODULE	All versions < CPCI85 V05	—	No fix listed	CNA
Siemens	CP-8050 MASTER MODULE	All versions < CPCI85 V05	—	No fix listed	CNA

CP-8031 MASTER MODULE VendorSiemens Affected All versions < CPCI85 V05 Fixed in — No fix listed CNA
CP-8050 MASTER MODULE VendorSiemens Affected All versions < CPCI85 V05 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:o:siemens:cp-8031_firmware::::::::	before cpci85_v05	Vulnerable	Siemens
cpe:2.3:h:siemens:cp-8031:-:::::::*	not specified by NVD	Running on	Siemens
cpe:2.3:o:siemens:cp-8050_firmware::::::::	before cpci85_v05	Vulnerable	Siemens
cpe:2.3:h:siemens:cp-8050:-:::::::*	not specified by NVD	Running on	Siemens

cpe:2.3:o:siemens:cp-8031_firmware:*:*:*:*:*:*:*:* Versions before cpci85_v05 Vulnerable ·Siemens
cpe:2.3:h:siemens:cp-8031:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
cpe:2.3:o:siemens:cp-8050_firmware:*:*:*:*:*:*:*:* Versions before cpci85_v05 Vulnerable ·Siemens
cpe:2.3:h:siemens:cp-8050:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-28489
2026-10-03 Alias added: GHSA-x9qv-5m74-x74p

References

Advisory 1

https://cert-portal.siemens.com/productcert/pdf/ssa-472454.pdf

Other 2

TI-2023-18243 Hard-coded credentials in Siemens CP-8031 MASTER MODULE CVSS 3.1CRITICAL 9.8
TI-2023-22887 Path traversal in Siemens CP-8031 MASTER MODULE CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences