Siemens SIMATIC IPC DiagBase/SIMATIC IPC DiagMonitor permission assignment

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.0$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Siemens SIMATIC IPC DiagBase and SIMATIC IPC DiagMonitor. Affected is an unknown function. Executing a manipulation can lead to permission assignment. This vulnerability appears as CVE-2025-23403. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in Siemens SIMATIC IPC DiagBase and SIMATIC IPC DiagMonitor (the affected version unknown). This vulnerability affects an unknown part. The manipulation with an unknown input leads to a permission assignment vulnerability. The CWE definition for the vulnerability is CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions). The affected device do not properly restrict the user permission for the registry key. This could allow an authenticated attacker to load vulnerable drivers into the system leading to privilege escalation or bypassing endpoint protection and other security measures.

The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2025-23403 since 01/15/2025. The exploitation appears to be difficult. 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 $5k-$25k (estimation calculated on 02/11/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.0
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.0
CNA Vector (siemens): 🔍

CVSSv2info

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

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/15/2025 🔍
02/11/2025 +27 days 🔍
02/11/2025 +0 days 🔍
02/11/2025 +0 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-369369
Status: Confirmed

CVE: CVE-2025-23403 (🔍)
GCVE (CVE): GCVE-0-2025-23403
GCVE (VulDB): GCVE-100-295228

Entryinfo

Created: 02/11/2025 12:27
Updated: 02/11/2025 12:30
Changes: 02/11/2025 12:27 (37), 02/11/2025 12:30 (36)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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