CVE-2024-43499

HIGHEPSS 84th pctl

7.5

CVSS v3

NVD

Description

.NET and Visual Studio Denial of Service Vulnerability

CWE-409 CWE-606

How to fix

Remediation Available

aspnetcore-runtime-9.0Red Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

aspnetcore-runtime-9.0Rocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

aspnetcore-runtime-dbg-9.0Rocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

aspnetcore-runtime-dbg-9.0Red Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

aspnetcore-targeting-pack-9.0Red Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

aspnetcore-targeting-pack-9.0Rocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-apphost-pack-9.0Rocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-apphost-pack-9.0Red Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-apphost-pack-9.0-debuginfoRocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-apphost-pack-9.0-debuginfoRed Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-hostRocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-hostRed Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-host-debuginfoRocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-host-debuginfoRed Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-hostfxr-9.0Red Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-hostfxr-9.0Rocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-hostfxr-9.0-debuginfoRed Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-hostfxr-9.0-debuginfoRocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-runtime-9.0Rocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-runtime-9.0Red Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-runtime-9.0-debuginfoRocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-runtime-9.0-debuginfoRed Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-runtime-dbg-9.0Rocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-runtime-dbg-9.0Red Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-sdk-9.0Red Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-9.0Rocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-9.0-debuginfoRocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-9.0-debuginfoRed Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-9.0-source-built-artifactsRocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-9.0-source-built-artifactsRed Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-aot-9.0Rocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-aot-9.0Red Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-aot-9.0-debuginfoRed Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-aot-9.0-debuginfoRocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-dbg-9.0Rocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-sdk-dbg-9.0Red Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-targeting-pack-9.0Red Hat / RHEL

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-targeting-pack-9.0Rocky

Fixed in:0:9.0.0-1.el9_5RHSA-2024:9543

dotnet-templates-9.0Rocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet-templates-9.0Red Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet9.0Rocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet9.0Red Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet9.0-debuginfoRed Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet9.0-debuginfoRocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet9.0-debugsourceRocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

dotnet9.0-debugsourceRed Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

netstandard-targeting-pack-2.1Rocky

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

netstandard-targeting-pack-2.1Red Hat / RHEL

Fixed in:0:9.0.100-1.el9_5RHSA-2024:9543

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.56%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-409 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-49975	High	7.5	28%	-	Fix
CVE-2026-21441	High	7.5	2.7%	-	Fix
CVE-2024-28180	Medium	4.3	2.0%	-	Fix
CVE-2017-16129	Medium	5.9	1.8%	-	Fix
CVE-2022-29225	High	7.5	1.5%	-	Fix
CVE-2026-1526	High	7.5	1.1%	-	Fix

Common questions

How do I fix CVE-2024-43499?

Published advisories record a fix for 48 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2024-43499 being actively exploited?

Not that we know of. CVE-2024-43499 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 84% of all scored CVEs.

How severe is CVE-2024-43499?

CVE-2024-43499 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-43499 affect?

Published advisories record a fix for aspnetcore-runtime-9.0 (Red Hat / RHEL), aspnetcore-runtime-9.0 (Rocky), aspnetcore-runtime-dbg-9.0 (Rocky), aspnetcore-runtime-dbg-9.0 (Red Hat / RHEL), and 44 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-19.