CVE-2017-0248

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."

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.09% Top 25%
Vendor Advisory microsoft.com
Affected: Microsoft Corporation Microsoft .NET Framework
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248 patch vendor advisory
http://www.securityfocus.com/bid/98117 vdb entry third party advisory
http://www.securitytracker.com/id/1038458 vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-0248?
CVE-2017-0248 has been scored as a high severity vulnerability.
How to fix CVE-2017-0248?
To fix CVE-2017-0248, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-0248 being actively exploited in the wild?
It is possible that CVE-2017-0248 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-0248?
CVE-2017-0248 affects Microsoft Corporation Microsoft .NET Framework.
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