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CVSSv2

CVE-2021-27434

Published: 20/05/2021 Updated: 15/10/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Vulnerability Summary

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 malicious user to trigger a stack overflow.

Vulnerability Trend

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unified-automation .net_based_opc_ua_client\\/server_sdk

References

CWE-674https://us-cert.cisa.gov/ics/advisories/icsa-21-133-04https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-40673CVE-2024-36674CVE-2024-27348unspecifiedCVE-2024-24919CVE-2024-4870malicious code‎CVE-2024-2019hard-coded
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