Siemens TeleControl Server Basic 3.1.2.1/3.1.2.2/3.1.2.3 unnecessary privileges

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Siemens TeleControl Server Basic. This issue affects some unknown processing. Executing a manipulation can lead to unnecessary privileges. The identification of this vulnerability is CVE-2025-40942. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Siemens TeleControl Server Basic and classified as critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a unnecessary privileges vulnerability. The CWE definition for the vulnerability is CWE-250. The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.4). Affected application contains a local privilege escalation vulnerability that could allow an attacker to run arbitrary code with elevated privileges.

The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2025-40942 since 04/16/2025. The exploitation appears to be easy. The attack needs to be approached locally. 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 01/23/2026). The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 3.1.2.4 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 8.8
CNA Vector (siemens): 🔒

CVSSv2info

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

Exploitinginfo

Class: Unnecessary privileges
CWE: CWE-250
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TeleControl Server Basic 3.1.2.4

Timelineinfo

04/16/2025 CVE reserved
01/13/2026 +272 days Advisory disclosed
01/13/2026 +0 days VulDB entry created
01/23/2026 +10 days VulDB entry last update

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-192617
Status: Confirmed

CVE: CVE-2025-40942 (🔒)
GCVE (CVE): GCVE-0-2025-40942
GCVE (VulDB): GCVE-100-340564

Entryinfo

Created: 01/13/2026 12:19
Updated: 01/23/2026 15:03
Changes: 01/13/2026 12:19 (75), 01/23/2026 15:03 (11)
Complete: 🔍
Cache ID: 216::103

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