Siemens APE1808 Missing Critical Step in Authentication (CVE-2024-52965)

high Tenable OT Security Plugin ID 505254

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A missing critical step in authentication vulnerability [CWE-304] in Fortinet FortiOS version 7.6.0 through 7.6.1, 7.4.0 through 7.4.5, 7.2.0 through 7.2.10, and before 7.0.16 & FortiProxy version 7.6.0 through 7.6.1, 7.4.0 through 7.4.8, 7.2.0 through 7.2.13 and before 7.0.20 allows an API-user using api-key + PKI user certificate authentication to login even if the certificate is invalid.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://cert-portal.siemens.com/productcert/html/ssa-770770.html

Plugin Details

Severity: High

ID: 505254

File Name: tenable_ot_siemens_CVE-2024-52965.nasl

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 3/23/2026

Updated: 3/24/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:P/RL:X/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:ruggedcom_ape1808_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/11/2025

Vulnerability Publication Date: 2/11/2025

Reference Information

CVE: CVE-2024-52965

CWE: 304