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CVE-2025-41691

CODESYS Control DoS via Unauthenticated NULL Pointer Dereference

Published: Aug 4, 2025Updated: Aug 4, 2025 Sources: CVE List NVD BDU csafCWE-476
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.5%
Top 61.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

ABB became aware of severe vulnerability in the products versions listed as affected in the advisory. An update is available that resolves these vulnerabilities. An attacker who successfully exploited these vulnerabilities could bypass the user management and read visualization files (CVE-2025-2595), read and write certificates and keys (CVE-2025-41659) or cause a denial-of-service (DoS) (CVE-2025-41691).

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

CODESYS Control for BeagleBone SLCODESYS GmbHICS / OT / IoT
CODESYS Control for emPC-A/iMX6 SLCODESYS GmbHICS / OT / IoT
CODESYS Control for IOT2000 SLCODESYS GmbHICS / OT / IoT
CODESYS Control for Linux ARM SLCODESYS GmbHICS / OT / IoT
CODESYS Control for Linux SLCODESYS GmbHICS / OT / IoT
codesys gmbhcommercialDEICS / OT / IoTaka codesys
and 25 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://psirt.abb.com/csaf/2026/3adr011524.json
psirt.abb.com
https://search.abb.com/library/Download.aspx?DocumentID=3ADR011524&LanguageCode=en&DocumentPartId=&Action=Launch
search.abb.com
https://api-www.codesys.com/fileadmin/user_upload/CODESYS_Group/Ecosystem/Up-to-Date/Security/Security-Advisories/Advisory2025-05_VIS-5003_.pdf
api-codesys.com
and 24 more references View all →

Timeline

Published
Aug 4, 2025
Last Updated
Aug 4, 2025

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