Vulnerability · Published Mar 18, 2025 · Assigned by CERTVDE
CVE-2025-1468CODESYS Control V3 - OPC UA Server Authentication bypass
High 7.5
In plain English
A high-severity security flaw in CODESYS Runtime Toolkit from CODESYS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 49.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CODESYS | CODESYS Runtime Toolkit | 0 – before 3.5.21.0 |
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N