What’s Vulnerable › Vulnerabilities
CVE-2019-0545
- Severity: high (CVSS 7.5 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 9.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2019-01-08 · updated 2026-06-17
- Weakness: CWE-200
Description
An information disclosure vulnerability exists in .NET Framework and .NET Core which allows bypassing Cross-origin Resource Sharing (CORS) configurations, aka ".NET Framework Information Disclosure Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.7/4.7.1/4.7.2, .NET Core 2.1, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 2.2, Microsoft .NET Framework 4.7.2.
Affected products
- Microsoft Corporation .NET Core: 2.1, 2.2
- Microsoft .NET Framework: 2.0-sp2, 3.0-sp2, 3.5, 3.5.1, 4.5.2, 4.6.2 (+5)
- Microsoft Corporation .NET Core: 2.1, 2.2
- Microsoft .NET Framework: 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2, 2.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2, 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2, 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2, 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2, 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 (+77)
References
- http://www.securityfocus.com/bid/106405
- https://access.redhat.com/errata/RHSA-2019:0040
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545
- http://www.securityfocus.com/bid/106405
- https://access.redhat.com/errata/RHSA-2019:0040
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545
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