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CVE-2023-37194

MEDIUM
6.7
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
MEDIUM6.7
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). The kernel memory of affected devices is exposed to user-mode via direct memory access (DMA) which could allow a local attacker with administrative privileges to execute arbitrary code on the host system without any restrictions.

Affected

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

SIMATIC Cp 1604 Firmware· Siemens
95%
All versions
siemens-simatic-cp-1604 (same device)
SIMATIC Cp 1616 Firmware· Siemens
95%
All versions
siemens-simatic-cp-1616 (same device)
SIMATIC Cp 1623 Firmware· Siemens
95%
All versions
siemens-simatic-cp-1623 (same device)
SIMATIC Cp 1626 Firmware· Siemens
95%
All versions
siemens-simatic-cp-1626 (same device)
SIMATIC Cp 1628 Firmware· Siemens
95%
All versions
siemens-simatic-cp-1628 (same device)
Simatic Cp 1604· Siemensdevice
80%
All versions
Simatic Cp 1616· Siemensdevice
80%
All versions
Simatic Cp 1623· Siemensdevice
80%
All versions
Simatic Cp 1626· Siemensdevice
80%
All versions
Simatic Cp 1628· Siemensdevice
80%
All versions

Remediation

No guide yet

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

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-784849.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

6.7MEDIUMsiemens
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284

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