CVE-2024-42512: OPC UA · CVE-2024-42512 is a high-severity
Source CVE Database V5
Not known to be exploited · CVSS 8.6 High · fixed in 1.5.374.158 : patch affected systems soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.5.374.158
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 10 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
A fix is available in version 1.5.374.158 or later. Users should upgrade to this version or later to remediate the vulnerability. Additionally, disabling the deprecated Basic128Rsa15 security policy will mitigate the risk. No other mitigation guidance is provided.
Description
CVE-2024-42512 is a high-severity vulnerability in the OPC UA .NET Standard Stack versions before 1.5.374.158. It allows an unauthorized attacker to bypass application authentication if the deprecated Basic128Rsa15 security policy is enabled. This could lead to unauthorized access with high confidentiality impact, limited integrity impact, and limited availability impact.