What’s Vulnerable › Vulnerabilities

CVE-2017-0248

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-05-12 · updated 2026-06-17
• Weakness: CWE-295

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."

Affected products

• Microsoft .NET Framework: 2.0-sp2, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1 (+2)

References

• http://www.securityfocus.com/bid/98117
• http://www.securitytracker.com/id/1038458
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248
• http://www.securityfocus.com/bid/98117
• http://www.securitytracker.com/id/1038458
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248

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