High severity7.5NVD Advisory· Published May 20, 2021· Updated Jun 17, 2026
CVE-2021-27432
CVE-2021-27432
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:opcfoundation:ua-.net-legacy:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:opcfoundation:ua-.net-legacy:-:*:*:*:*:*:*:*
- (no CPE)
- cpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:*Range: <1.4.365.48
- OPC Foundation/UA .NET Standarddescription
- Range: <1.4.365.48
Patches
Vulnerability mechanics
References
1- us-cert.cisa.gov/ics/advisories/icsa-21-133-03nvdThird Party AdvisoryUS Government Resource
News mentions
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