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.
Published: 2025-08-04
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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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.
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 : Deferred

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

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-41691

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses