An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Control runtime systems by sending specially crafted communication requests, potentially leading to a denial-of-service (DoS) condition.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00122.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Codesys
  • Control

No data.

No data.

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Vendors Products
Codesys
  • Control
Advisories
Source ID Title
EUVD EUVD EUVD-2025-23490 An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Control runtime systems by sending specially crafted communication requests, potentially leading to a denial-of-service (DoS) condition.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://certvde.com/de/advisories/VDE-2025-070 cve-icon cve-icon
History

Tue, 05 Aug 2025 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Codesys
Codesys control
Vendors & Products Codesys
Codesys control

Mon, 04 Aug 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 04 Aug 2025 08:15:00 +0000

Type Values Removed Values Added
Description An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Control runtime systems by sending specially crafted communication requests, potentially leading to a denial-of-service (DoS) condition.
Title CODESYS Control DoS via Unauthenticated NULL Pointer Dereference
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}
cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2025-08-04T16:32:30.773Z

Reserved: 2025-04-16T11:17:48.309Z

Link: CVE-2025-41691

cve-icon Vulnrichment

Updated: 2025-08-04T16:29:30.560Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-04T08:15:48.353

Modified: 2025-08-04T15:06:15.833

Link: CVE-2025-41691

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-08-05T11:38:57Z