Siemens SIMATIC CP Products Uncontrolled Resource Consumption (CVE-2023-37195)

medium Tenable OT Security Plugin ID 501998


The remote OT asset is affected by a vulnerability.


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.

This plugin only works with Tenable.ot.
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Refer to the vendor advisory.

See Also

Plugin Details

Severity: Medium

ID: 501998

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 2/20/2024

Updated: 2/21/2024

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:L/AC:L/Au:M/C:N/I:N/A:C

CVSS Score Source: CVE-2023-37195


Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:simatic_cp_1604_firmware:-, cpe:/o:siemens:simatic_cp_1616_firmware:-, cpe:/o:siemens:simatic_cp_1623_firmware:-, cpe:/o:siemens:simatic_cp_1626_firmware:-, cpe:/o:siemens:simatic_cp_1628_firmware:-

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 10/10/2023

Vulnerability Publication Date: 10/10/2023

Reference Information

CVE: CVE-2023-37195

CWE: 400