CVE-2017-0248

Name: CVE-2017-0248
Creator: NVD / NIST
Published: 2017-05-12T14:29:03.973+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 5.51%

Last modified Jun 17, 2026

CVE-2017-0248 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 5.51% chance of exploitation in the next 30 days.

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

EPSS Probability

5.51%

91.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions	Update
Microsoft	.Net Framework	2.0	Sp2
Microsoft	.Net Framework	3.5	—
Microsoft	.Net Framework	3.5.1	—
Microsoft	.Net Framework	4.5.2	—
Microsoft	.Net Framework	4.6	—
Microsoft	.Net Framework	4.6.1	—
Microsoft	.Net Framework	4.6.2	—
Microsoft	.Net Framework	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
Status: Modified

Frequently Asked Questions

What is CVE-2017-0248?

How severe is CVE-2017-0248?

Severity scoring for CVE-2017-0248 is pending analysis. The EPSS model estimates a 5.51% probability of exploitation in the next 30 days.

How do I fix CVE-2017-0248?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-0248?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST