Siemens TeleControl Server Basic 3.1.2.1 length parameter

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.86

Summaryinfo

A vulnerability marked as problematic has been reported in Siemens TeleControl Server Basic. Affected by this vulnerability is an unknown functionality. The manipulation leads to length parameter. This vulnerability is listed as CVE-2025-29931. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens TeleControl Server Basic and classified as problematic. This issue affects an unknown code. The manipulation with an unknown input leads to a length parameter vulnerability. Using CWE to declare the problem leads to CWE-130. The product parses a formatted message or structure, but it does not handle or incorrectly handles a length field that is inconsistent with the actual length of the associated data. Impacted is availability. The summary by CVE is:

A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected product does not properly validate a length field in a serialized message which it uses to determine the amount of memory to be allocated for deserialization. This could allow an unauthenticated remote attacker to cause the application to allocate exhaustive amounts of memory and subsequently create a partial denial of service condition. Successful exploitation is only possible in redundant Telecontrol Server Basic setups and only if the connection between the redundant servers has been disrupted.

The advisory is shared at cert-portal.siemens.com. The identification of this vulnerability is CVE-2025-29931 since 03/12/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 3.1.2.2 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best 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: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.7
CNA Vector (siemens): 🔍

CVSSv2info

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

Exploitinginfo

Class: Length parameter
CWE: CWE-130 / CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TeleControl Server Basic 3.1.2.2

Timelineinfo

03/12/2025 🔍
04/17/2025 +35 days 🔍
04/17/2025 +0 days 🔍
08/20/2025 +124 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-395348
Status: Confirmed

CVE: CVE-2025-29931 (🔍)
GCVE (CVE): GCVE-0-2025-29931
GCVE (VulDB): GCVE-100-305393

Entryinfo

Created: 04/17/2025 13:51
Updated: 08/20/2025 00:18
Changes: 04/17/2025 13:51 (75), 08/20/2025 00:18 (1)
Complete: 🔍
Cache ID: 216::103

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