CVEvulnerability
CVE-2021-27432
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-674
Description
OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.
Affected configurations
• opcfoundation ua-.net-legacy
• opcfoundation ua .net standard stack (< 1.4.365.48)
Related
Weakness · CWE (1)
- CWE-674 Uncontrolled Recursion weakness
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 Third Party Advisory, US Government Resource