Siemens TeleControl Server Basic 3.1.2.1/3.1.2.2 Database Service missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Siemens TeleControl Server Basic. This issue affects some unknown processing of the component Database Service. The manipulation results in missing authentication. This vulnerability is known as CVE-2025-40765. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Siemens TeleControl Server Basic. It has been classified as critical. Affected is an unknown code block of the component Database Service. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality. CVE summarizes:

A vulnerability has been identified in TeleControl Server Basic V3.1 (All versions >= V3.1.2.2 < V3.1.2.3). The affected application contains an information disclosure vulnerability. This could allow an unauthenticated remote attacker to obtain password hashes of users and to login to and perform authenticated operations of the database service.

The advisory is shared for download at cert-portal.siemens.com. This vulnerability is traded as CVE-2025-40765 since 04/16/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/05/2025).

The vulnerability scanner Nessus provides a plugin with the ID 272268 (Siemens TeleControl Server Basic Information Disclosure (CVE-2025-40765)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.1.2.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (272268). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (siemens): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 272268
Nessus Name: Siemens TeleControl Server Basic Information Disclosure (CVE-2025-40765)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TeleControl Server Basic 3.1.2.3

Timelineinfo

04/16/2025 CVE reserved
10/14/2025 +181 days Advisory disclosed
10/14/2025 +0 days VulDB entry created
11/05/2025 +22 days VulDB entry last update

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-062309
Status: Confirmed

CVE: CVE-2025-40765 (🔒)
GCVE (CVE): GCVE-0-2025-40765
GCVE (VulDB): GCVE-100-328200

Entryinfo

Created: 10/14/2025 12:00
Updated: 11/05/2025 01:11
Changes: 10/14/2025 12:00 (77), 11/05/2025 01:11 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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