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Vulnerability details: VCID-j4d8-wr24-63d3
Vulnerability ID VCID-j4d8-wr24-63d3
Aliases CVE-2017-0248
GHSA-ch6p-4jcm-h8vh
Summary Improper Certificate Validation 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."
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-295 Improper Certificate Validation
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
epss 0.01092 https://api.first.org/data/v1/epss?cve=CVE-2017-0248
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-ch6p-4jcm-h8vh
generic_textual MODERATE https://github.com/advisories/GHSA-ch6p-4jcm-h8vh
generic_textual MODERATE https://github.com/aspnet/Announcements/issues/239
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2017-0248
generic_textual MODERATE https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2017-0248
https://github.com/aspnet/Announcements/issues/239
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248
CVE-2017-0248 https://nvd.nist.gov/vuln/detail/CVE-2017-0248
GHSA-ch6p-4jcm-h8vh https://github.com/advisories/GHSA-ch6p-4jcm-h8vh
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.77902
EPSS Score 0.01092
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:47:59.844280+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.AspNetCore.Mvc.Core/CVE-2017-0248.yml 38.0.0