Siemens SIMATIC CP products Improper Access Control (CVE-2023-37194)

medium Tenable OT Security Plugin ID 502001


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). 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.

This plugin only works with Tenable.ot.
Please visit for more information.


Refer to the vendor advisory.

See Also

Plugin Details

Severity: Medium

ID: 502001

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: Medium

Score: 5.9


Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2023-37194


Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/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-2023-37194

CWE: 284