CVE-2024-21312 .NET Framework Denial of Service Vulnerability

What is CVE-2024-21312?

CVE-2024-21312 is a high-severity denial of service vulnerability in Microsoft .Net Framework, published on 9 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

.NET Framework Denial of Service Vulnerability

Weakness: CWE-20

Which versions are affected by CVE-2024-21312?

It affects 1 product.

Products include Microsoft .Net Framework.

How do I fix CVE-2024-21312?

No fix has been published for CVE-2024-21312 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-21312 being exploited?

There is no known exploitation of CVE-2024-21312 in the wild and no public exploit code.

Other vulnerabilities in Microsoft .Net Framework

• CVE-2020-0646 Microsoft .NET Framework Remote Code Execution Exploited Critical 9.8
• CVE-2017-8759 Microsoft .NET Framework Remote Code Execution Exploited High 7.8
• CVE-2015-1671 Microsoft Windows Remote Code Execution Exploited High 7.8
• CVE-2024-29059 Microsoft .NET Framework Information Disclosure Exploited High 7.5
• CVE-2014-4073 Privilege escalation in n/a Critical 10.0

All Microsoft .Net Framework vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3qxp-wv2v-jfc4.