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5.3
CVSSv3

CVE-2018-7559

Published: 13/06/2018 Updated: 10/06/2019
CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8
CVSS v3 Base Score: 5.3 | Impact Score: 3.6 | Exploitability Score: 1.6
VMScore: 312
Vector: AV:N/AC:M/Au:S/C:P/I:N/A:N

Vulnerability Summary

An issue exists in OPC UA .NET Standard Stack and Sample Code before GitHub commit 2018-04-12, and OPC UA .NET Legacy Stack and Sample Code before GitHub commit 2018-03-13. A vulnerability in OPC UA applications can allow a remote malicious user to determine a Server's private key by sending carefully constructed bad UserIdentityTokens as part of an oracle attack.

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opcfoundation ua-.netstandard

opcfoundation ua-.net-legacy

References

CWE-320https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdfhttps://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45http://www.securityfocus.com/bid/108688https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-52710arbitrary CVE-2024-5272CVE-2024-2961brute forceremoteCVE-2024-32944CVE-2024-36241CVE-2024-5274
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