CVE-2019-0545: microsoft microsoft .net framework
Vulnerability summary
CVE-2019-0545 is a high (CVSS 7.5) vulnerability in microsoft microsoft .net framework. EPSS estimates a 9.61% chance of exploitation in the next 30 days, higher than 95.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 08-01-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
9.61%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 9.61% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft3 products
- microsoft .net frameworkEOL2.0 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 | 3.5 on Windows 10 for 32-bit Systems | 3.5 on Windows 10 for x64-based Systems | 3.5 on Windows 10 Version 1607 for 32-bit Systems | 3.5 on Windows 10 Version 1607 for x64-based Systems | 3.5 on Windows 10 Version 1703 for 32-bit Systems | 3.5 on Windows 10 Version 1703 for x64-based Systems | 3.5 on Windows 10 Version 1709 for 32-bit Systems | 3.5 on Windows 10 Version 1709 for ARM64-based Systems | 3.5 on Windows 10 Version 1709 for x64-based Systems | 3.5 on Windows 10 Version 1803 for 32-bit Systems | 3.5 on Windows 10 Version 1803 for ARM64-based Systems | 3.5 on Windows 10 Version 1803 for x64-based Systems | 3.5 on Windows 10 Version 1809 for 32-bit Systems | 3.5 on Windows 10 Version 1809 for x64-based Systems | 3.5 on Windows 8.1 for 32-bit systems | 3.5 on Windows 8.1 for x64-based systems | 3.5 on Windows Server 2012 | 3.5 on Windows Server 2012 (Server Core installation) | 3.5 on Windows Server 2012 R2 | 3.5 on Windows Server 2012 R2 (Server Core installation) | 3.5 on Windows Server 2016 | 3.5 on Windows Server 2016 (Server Core installation) | 3.5 on Windows Server 2019 | 3.5 on Windows Server 2019 (Server Core installation) | 3.5 on Windows Server, version 1709 (Server Core Installation) | 3.5 on Windows Server, version 1803 (Server Core Installation) | 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 | 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 | 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 | 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 | 4.5.2 on Windows 8.1 for 32-bit systems | 4.5.2 on Windows 8.1 for x64-based systems | 4.5.2 on Windows RT 8.1 | 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 | 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 4.5.2 on Windows Server 2012 | 4.5.2 on Windows Server 2012 (Server Core installation) | 4.5.2 on Windows Server 2012 R2 | 4.5.2 on Windows Server 2012 R2 (Server Core installation) | 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 | 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) | 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems | 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems | 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systems | 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems | 4.7.1/4.7.2 on Windows Server, version 1709 (Server Core Installation) | 4.7.2 on Windows 10 Version 1803 for 32-bit Systems | 4.7.2 on Windows 10 Version 1803 for ARM64-based Systems | 4.7.2 on Windows 10 Version 1803 for x64-based Systems | 4.7.2 on Windows 10 Version 1809 for 32-bit Systems | 4.7.2 on Windows 10 Version 1809 for x64-based Systems | 4.7.2 on Windows Server 2019 | 4.7.2 on Windows Server 2019 (Server Core installation) | 4.7.2 on Windows Server, version 1803 (Server Core Installation) | 4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for 32-bit Systems | 4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for x64-based Systems
- .net_core2.1 | 2.2
- .net_framework2.0:sp2 | 3.0:sp2 | 3.5 | 3.5.1 | 4.5.2 | 4.6.2 | 4.7 | 4.7.1 | 4.7.2 | 4.6 | 4.6.1
NuGet1 product
- Microsoft.NETCore.App≥ 2.1.0, < 2.1.7 | ≥ 2.2.0, < 2.2.1
2 vendors · 4 products
References
5 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545X Refsource CONFIRMPatchVendor AdvisoryWEB