CVE-2023-37195

MEDIUM
4.4
CVSS Score
Published: October 10, 2023 at 10:21 AM UTC
Updated: June 17, 2026 at 06:07 AM UTC
10 products affected across 1 vendorSIMATIC Cp 1604 FirmwareSIMATIC Cp 1616 FirmwareSIMATIC Cp 1626 Firmware

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
siemens-simatic-cp-1604 (same device)
All versions
siemens-simatic-cp-1616 (same device)
All versions
siemens-simatic-cp-1623 (same device)
All versions
siemens-simatic-cp-1626 (same device)
All versions
siemens-simatic-cp-1628 (same device)
All versions
All versions
All versions
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.4MEDIUMsiemens
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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