{"url":"http://public2.vulnerablecode.io/api/packages/28320?format=json","purl":"pkg:nuget/Microsoft.IdentityModel.Protocols.SignedHttpRequest@7.1.2","type":"nuget","namespace":"","name":"Microsoft.IdentityModel.Protocols.SignedHttpRequest","version":"7.1.2","qualifiers":{},"subpath":"","is_vulnerable":false,"next_non_vulnerable_version":"8.0.2","latest_non_vulnerable_version":"8.0.2","affected_by_vulnerabilities":[],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/48919?format=json","vulnerability_id":"VCID-b7b7-5pjn-bue2","summary":"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 `SignedHttpRequest`protocol or the `SignedHttpRequestValidator`is vulnerable. Microsoft.IdentityModel trusts the `jku`claim by default for the `SignedHttpRequest`protocol. 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.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-21643","reference_id":"","reference_type":"","scores":[{"value":"0.0063","scoring_system":"epss","scoring_elements":"0.70859","published_at":"2026-06-12T12:55:00Z"},{"value":"0.0063","scoring_system":"epss","scoring_elements":"0.70769","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-21643"},{"reference_url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet"},{"reference_url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases/tag/6.34.0","reference_id":"6.34.0","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-06-10T16:07:29Z/"}],"url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases/tag/6.34.0"},{"reference_url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases/tag/7.1.2","reference_id":"7.1.2","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-06-10T16:07:29Z/"}],"url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases/tag/7.1.2"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21643","reference_id":"CVE-2024-21643","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21643"},{"reference_url":"https://github.com/advisories/GHSA-rv9j-c866-gp5h","reference_id":"GHSA-rv9j-c866-gp5h","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-rv9j-c866-gp5h"},{"reference_url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/security/advisories/GHSA-rv9j-c866-gp5h","reference_id":"GHSA-rv9j-c866-gp5h","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-06-10T16:07:29Z/"}],"url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/security/advisories/GHSA-rv9j-c866-gp5h"},{"reference_url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/wiki/jkucve","reference_id":"jkucve","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-06-10T16:07:29Z/"}],"url":"https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/wiki/jkucve"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/28321?format=json","purl":"pkg:nuget/Microsoft.IdentityModel.Protocols.SignedHttpRequest@6.34.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.IdentityModel.Protocols.SignedHttpRequest@6.34.0"},{"url":"http://public2.vulnerablecode.io/api/packages/28320?format=json","purl":"pkg:nuget/Microsoft.IdentityModel.Protocols.SignedHttpRequest@7.1.2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.IdentityModel.Protocols.SignedHttpRequest@7.1.2"},{"url":"http://public2.vulnerablecode.io/api/packages/684602?format=json","purl":"pkg:nuget/Microsoft.IdentityModel.Protocols.SignedHttpRequest@8.0.2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.IdentityModel.Protocols.SignedHttpRequest@8.0.2"}],"aliases":["CVE-2024-21643","GHSA-rv9j-c866-gp5h"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-b7b7-5pjn-bue2"}],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.IdentityModel.Protocols.SignedHttpRequest@7.1.2"}