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CVE-2025-41659

CODESYS Control PKI Exposure Enables Remote Certificate Access

Published: Aug 4, 2025Updated: Aug 4, 2025 Sources: CVE List NVD BDU csafCWE-732
NVD MITRE
8.3CVSSHIGH
EPSS Score
0.2%
Top 90.0%
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:LUI:NS:UC:HI:HA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-732

Affected Products

Control RTE (SL)CODESYSICS / OT / IoT
Control RTE (for Beckhoff CX) SLCODESYSICS / OT / IoT
Control Win (SL)CODESYSICS / OT / IoT
HMI (SL)CODESYSICS / OT / IoT
Runtime ToolkitCODESYSICS / OT / IoT
codesysoss-projectDEICS / OT / IoTaka codesys gmbh
and 27 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

1 technique
Privilege Escalation
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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