Vulnerability Details CVE-2021-27434
Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior (.NET 4.5, 4.0, and 3.5 Framework versions only) are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 44.5%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2021-27434
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cpe:2.3:a:microsoft:.net_framework:3.5
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cpe:2.3:a:microsoft:.net_framework:4.0
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cpe:2.3:a:microsoft:.net_framework:4.5
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cpe:2.3:a:unified-automation:.net_based_opc_ua_client/server_sdk:-
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cpe:2.3:a:unified-automation:.net_based_opc_ua_client/server_sdk:3.0.7