cbcvebase.
CVE-2025-55315
published 2025-10-14

CVE-2025-55315: Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature…

critical9.9CVSS 3.1
AVNACLPRLUINSCCHIHAL
EXPLOIT
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.

Affected

54 ranges· showing 25
VendorProductVersion rangeFixed in
microsoftasp.net_core>= 2.3.0 < 2.3.62.3.6
microsoftasp.net_core>= 8.0.0 < 8.0.218.0.21
microsoftasp.net_core>= 9.0.0 < 9.0.109.0.10
microsoftasp.net_core_2.3>= 2.3 < 2.3.62.3.6
microsoftasp.net_core_8.0>= 8.0 < 8.0.218.0.21
microsoftasp.net_core_9.0>= 9.0 < 9.0.109.0.10
microsoftmicrosoft.aspnetcore.app.runtime.linux-arm>= 10.0.0-rc.1.25451.107 < 10.0.0-rc.2.25502.10710.0.0-rc.2.25502.107
microsoftmicrosoft.aspnetcore.app.runtime.linux-arm>= 8.0.0 < 8.0.218.0.21
microsoftmicrosoft.aspnetcore.app.runtime.linux-arm>= 9.0.0 < 9.0.109.0.10
microsoftmicrosoft.aspnetcore.app.runtime.linux-arm64>= 10.0.0-rc.1.25451.107 < 10.0.0-rc.2.25502.10710.0.0-rc.2.25502.107
microsoftmicrosoft.aspnetcore.app.runtime.linux-arm64>= 8.0.0 < 8.0.218.0.21
microsoftmicrosoft.aspnetcore.app.runtime.linux-arm64>= 9.0.0 < 9.0.109.0.10
microsoftmicrosoft.aspnetcore.app.runtime.linux-musl-arm>= 10.0.0-rc.1.25451.107 < 10.0.0-rc.2.25502.10710.0.0-rc.2.25502.107
microsoftmicrosoft.aspnetcore.app.runtime.linux-musl-arm>= 8.0.0 < 8.0.218.0.21
microsoftmicrosoft.aspnetcore.app.runtime.linux-musl-arm>= 9.0.0 < 9.0.109.0.10
microsoftmicrosoft.aspnetcore.app.runtime.linux-musl-arm64>= 10.0.0-rc.1.25451.107 < 10.0.0-rc.2.25502.10710.0.0-rc.2.25502.107
microsoftmicrosoft.aspnetcore.app.runtime.linux-musl-arm64>= 8.0.0 < 8.0.218.0.21
microsoftmicrosoft.aspnetcore.app.runtime.linux-musl-arm64>= 9.0.0 < 9.0.109.0.10
microsoftmicrosoft.aspnetcore.app.runtime.linux-musl-x64>= 10.0.0-rc.1.25451.107 < 10.0.0-rc.2.25502.10710.0.0-rc.2.25502.107
microsoftmicrosoft.aspnetcore.app.runtime.linux-musl-x64>= 8.0.0 < 8.0.218.0.21
microsoftmicrosoft.aspnetcore.app.runtime.linux-musl-x64>= 9.0.0 < 9.0.109.0.10
microsoftmicrosoft.aspnetcore.app.runtime.linux-x64>= 10.0.0-rc.1.25451.107 < 10.0.0-rc.2.25502.10710.0.0-rc.2.25502.107
microsoftmicrosoft.aspnetcore.app.runtime.linux-x64>= 8.0.0 < 8.0.218.0.21
microsoftmicrosoft.aspnetcore.app.runtime.linux-x64>= 9.0.0 < 9.0.109.0.10
microsoftmicrosoft.aspnetcore.app.runtime.osx-arm64>= 10.0.0-rc.1.25451.107 < 10.0.0-rc.2.25502.10710.0.0-rc.2.25502.107

CVSS provenance

nvdv3.19.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
ghsa9.9CRITICAL
osv9.9CRITICAL