High severity · published Mar 18, 2025
CVE-2025-1468
CODESYS Control V3 - OPC UA Server Authentication bypass
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
An unauthenticated remote attacker can gain access to sensitive information including authentication information when using CODESYS OPC UA Server with the non-default Basic128Rsa15 security policy.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
CODESYS Runtime Toolkit · CODESYS
before 3.5.21.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-1468
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-1468
cert.vde.com
https://cert.vde.com/en/advisories/VDE-2025-022
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