Siemens TeleControl Server Basic Information Disclosure (CVE-2025-40765)

critical Nessus Plugin ID 272268

Synopsis

An OT application is affected by an information disclosure vulnerability.

Description

The Siemens TeleControl Server Basic running on the remote host is affected by an information disclosure vulnerability. An unauthenticated, remote attacker could exploit this, via a specially crafted message, to obtain user credentials of the application.

Solution

Update to version 3.1.2.3 or later.

Plugin Details

Severity: Critical

ID: 272268

File Name: siemens_telecontrol_server_basic_cve-2025-40765.nbin

Version: 1.1

Type: remote

Family: SCADA

Published: 11/4/2025

Updated: 11/4/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS Score Source: CVE-2025-40765

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: cpe:/a:siemens:telecontrol_server_basic

Required KB Items: installed_sw/Siemens TeleControl Server Basic Database Service

Exploited by Nessus: true

Patch Publication Date: 10/14/2025

Vulnerability Publication Date: 10/14/2025

Reference Information

CVE: CVE-2025-40765

ICSA: 25-289-09

TRA: TRA-2025-46

Detections

Analytics