Siemens APE1808 Heap-based Buffer Overflow (CVE-2023-27997)

critical Tenable OT Security Plugin ID 505300

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all versions SSL-VPN may allow a remote attacker to execute arbitrary code or commands via specifically crafted requests.

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.

Plugin Details

Severity: Critical

ID: 505300

File Name: tenable_ot_siemens_CVE-2023-27997.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: High

Score: 8.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2023-27997

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

Temporal Vector: CVSS:3.0/E:H/RL:O/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: 6/12/2023

CISA Known Exploited Vulnerability Due Dates: 7/4/2023

Exploitable With

Core Impact

Reference Information

CVE: CVE-2023-27997

CWE: 122

Detections

Analytics