What’s Vulnerable › Vulnerabilities

CVE-2023-37195

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-10 · updated 2026-06-17
• Weakness: CWE-400

Description

A vulnerability has been identified in SIMATIC CP 1604 (All versions), SIMATIC CP 1616 (All versions), SIMATIC CP 1623 (All versions), SIMATIC CP 1626 (All versions), SIMATIC CP 1628 (All versions). Affected devices insufficiently control continuous mapping of direct memory access (DMA) requests. This could allow local attackers with administrative privileges to cause a denial of service situation on the host. A physical power cycle is required to get the system working again.

Affected products

• Siemens Simatic Cp 1604 Firmware: all versions
• Siemens Simatic Cp 1616 Firmware: all versions
• Siemens Simatic Cp 1623 Firmware: all versions
• Siemens Simatic Cp 1626 Firmware: all versions
• Siemens Simatic Cp 1628 Firmware: all versions

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-784849.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-784849.pdf

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