CVE-2017-0248

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka ".NET Security Feature Bypass Vulnerability."

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-295

Affected software

Vendor	Product	Versions
Microsoft Corporation	Microsoft .NET Framework	Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7

References

http://www.securityfocus.com/bid/98117Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038458
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248Patch, Vendor Advisory
http://www.securityfocus.com/bid/98117Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038458
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248Patch, Vendor Advisory

Timeline

Published: May 12, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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