Siemens SIMATIC CN 4100 up to 2.6 IP Configuration denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Siemens SIMATIC CN 4100 up to 2.6. Affected by this issue is some unknown functionality of the component IP Configuration Handler. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2023-49252. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens SIMATIC CN 4100 up to 2.6 (SCADA Software) and classified as critical. This issue affects an unknown functionality of the component IP Configuration Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The affected application allows IP configuration change without authentication to the device. This could allow an attacker to cause denial of service condition.

The weakness was disclosed 01/09/2024 as ssa-777015. The advisory is shared at cert-portal.siemens.com. The identification of this vulnerability is CVE-2023-49252 since 11/24/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 2.7 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Siemens AG): 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: SIMATIC CN 4100 2.7

Timelineinfo

11/24/2023 🔍
01/09/2024 +46 days 🔍
01/09/2024 +0 days 🔍
12/16/2025 +707 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-777015
Status: Confirmed

CVE: CVE-2023-49252 (🔍)
GCVE (CVE): GCVE-0-2023-49252
GCVE (VulDB): GCVE-100-250097

Entryinfo

Created: 01/09/2024 12:54
Updated: 12/16/2025 21:07
Changes: 01/09/2024 12:54 (52), 12/16/2025 21:07 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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