VYPR
High severity7.1NVD Advisory· Published Jan 10, 2024· Updated Jun 17, 2026

CVE-2024-21643

CVE-2024-21643

Description

IdentityModel Extensions for .NET provide assemblies for web developers that wish to use federated identity providers for establishing the caller's identity. Anyone leveraging the SignedHttpRequestprotocol or the SignedHttpRequestValidatoris vulnerable. Microsoft.IdentityModel trusts the jkuclaim by default for the SignedHttpRequestprotocol. This raises the possibility to make any remote or local HTTP GET request. The vulnerability has been fixed in Microsoft.IdentityModel.Protocols.SignedHttpRequest. Users should update all their Microsoft.IdentityModel versions to 7.1.2 (for 7x) or higher, 6.34.0 (for 6x) or higher.

AI Insight

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
Microsoft.IdentityModel.Protocols.SignedHttpRequestNuGet
< 6.34.06.34.0
Microsoft.IdentityModel.Protocols.SignedHttpRequestNuGet
>= 7.0.0-preview, < 7.1.27.1.2

Affected products

3

Patches

Vulnerability mechanics

References

5

News mentions

0

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