# A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests, aka '.NET Denial of Service Vulnerability'. CVE record · `CVE-2019-1083` - **Identifiers:** `CVE-2019-1083` - **State:** Confirmed - **Severity:** No CVSS score - **Critical:** No - **CNA:** microsoft - **Technologies:** [Microsoft .NET Framework 4.5.2](https://agentprime.io/advisories/technology/microsoft-net-framework-4-5-2.md) · [Microsoft .NET Framework 4.6](https://agentprime.io/advisories/technology/microsoft-net-framework-4-6.md) · [Microsoft .NET Framework 4.6/4.6.1/4.6.2](https://agentprime.io/advisories/technology/microsoft-net-framework-4-6-4-6-1-4-6-2.md) · [Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2](https://agentprime.io/advisories/technology/microsoft-net-framework-4-6-4-6-1-4-6-2-4-7-4-7-1-4-7-2.md) · [Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-7-for-32-bit-systems-service-pack-1.md) · [Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-7-for-x64-based-systems-service-pack-1.md) · [Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-server-2008-r2-for-x64-based-systems-serv.md) · [Microsoft .NET Framework 4.8 on Windows Server 2012](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-server-2012.md) · [Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-server-2012-server-core-installation.md) · [Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-8-1-for-32-bit-systems.md) · [Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-8-1-for-x64-based-systems.md) · [Microsoft .NET Framework 4.8 on Windows Server 2012 R2](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-server-2012-r2.md) · [Microsoft .NET Framework 4.8 on Windows RT 8.1](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-rt-8-1.md) · [Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-server-2012-r2-server-core-installation.md) · [Microsoft .NET Framework 4.8 on Windows Server 2016](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-server-2016.md) · [Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-10-version-1607-for-32-bit-systems.md) · [Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-10-version-1607-for-x64-based-systems.md) · [Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-server-2016-server-core-installation.md) · [Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-10-version-1703-for-32-bit-systems.md) · [Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems](https://agentprime.io/advisories/technology/microsoft-net-framework-4-8-on-windows-10-version-1703-for-x64-based-systems.md) - **Published:** 15 Jul 2019 - **Updated:** 4 Aug 2024 - **Reviewed by a person:** No Published by the CVE Program (CNA: microsoft) at 15 Jul 2019, 18:56 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Affected products, as the CNA wrote them - Vendor: Microsoft. Product: Microsoft .NET Framework 4.5.2. - affected: `Windows 7 for 32-bit Systems Service Pack 1` - affected: `Windows 7 for x64-based Systems Service Pack 1` - affected: `Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)` - affected: `Windows Server 2008 R2 for x64-based Systems Service Pack 1` - affected: `Windows Server 2012` - affected: `Windows Server 2012 (Server Core installation)` - affected: `Windows 8.1 for 32-bit systems` - affected: `Windows 8.1 for x64-based systems` - affected: `Windows Server 2012 R2` - affected: `Windows RT 8.1` - affected: `Windows Server 2012 R2 (Server Core installation)` - affected: `Windows Server 2008 for 32-bit Systems Service Pack 2` - and 1 more - Vendor: Microsoft. Product: Microsoft .NET Framework 4.6. - affected: `Windows Server 2008 for 32-bit Systems Service Pack 2` - affected: `Windows Server 2008 for x64-based Systems Service Pack 2` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2. - affected: `Windows 10 for 32-bit Systems` - affected: `Windows 10 for x64-based Systems` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2. - affected: `Windows 7 for 32-bit Systems Service Pack 1` - affected: `Windows 7 for x64-based Systems Service Pack 1` - affected: `Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)` - affected: `Windows Server 2008 R2 for x64-based Systems Service Pack 1` - affected: `Windows Server 2012` - affected: `Windows Server 2012 (Server Core installation)` - affected: `Windows 8.1 for 32-bit systems` - affected: `Windows 8.1 for x64-based systems` - affected: `Windows Server 2012 R2` - affected: `Windows RT 8.1` - affected: `Windows Server 2012 R2 (Server Core installation)` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation). - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows Server 2012. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation). - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows Server 2012 R2. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows RT 8.1. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation). - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows Server 2016. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation). - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation). - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation). - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation). - affected: `1903` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019. - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation). - affected: `unspecified` - Vendor: Microsoft. Product: Microsoft .NET Framework 3.5. - affected: `Windows Server 2012` - affected: `Windows Server 2012 (Server Core installation)` - affected: `Windows 8.1 for 32-bit systems` - affected: `Windows 8.1 for x64-based systems` - affected: `Windows Server 2012 R2` - affected: `Windows Server 2012 R2 (Server Core installation)` - affected: `Windows 10 for 32-bit Systems` - affected: `Windows 10 for x64-based Systems` - affected: `Windows Server 2016` - affected: `Windows 10 Version 1607 for 32-bit Systems` - affected: `Windows 10 Version 1607 for x64-based Systems` - affected: `Windows Server 2016 (Server Core installation)` - and 7 more - Vendor: Microsoft. Product: Microsoft .NET Framework 3.0. - affected: `Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2` - affected: `Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2` - affected: `Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2` - Vendor: Microsoft. Product: Microsoft .NET Framework 2.0. - affected: `Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2` - affected: `Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2` - affected: `Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2` And 1 more products. The full list is on the CVE record: ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation No source has published a CVSS score for this record yet. - **CISA KEV:** Not listed. - **EPSS:** 0.078, the 94th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline This record came from the full history of the CVE Program, published 15 Jul 2019. New records show when each source confirmed them. ## Sources - [CVE List: CVE-2019-1083](https://www.cve.org/CVERecord?id=CVE-2019-1083) - [NVD: CVE-2019-1083](https://nvd.nist.gov/vuln/detail/CVE-2019-1083) ### References from the CNA - Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .