<p>A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.</p> <p>The ASP.NET Core cookie parser decodes entire cookie strings which could allow a malicious attacker to set a second cookie with the name being percent encoded.</p> <p>The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names.</p>
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| microsoft | asp.net_core | 2.1 - 2.1.21 | - |
| microsoft | asp.net_core | 3.1 - 3.1.8 | - |
| fedoraproject | fedora |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
14
Affected Products
12
References
microsoft / asp.net_core
| - |
| - |
| fedoraproject | fedora | - | - |
| redhat | enterprise_linux | - | - |
| redhat | enterprise_linux_aus | - | - |
| redhat | enterprise_linux_aus | - | - |
| redhat | enterprise_linux_aus | - | - |
| redhat | enterprise_linux_eus | - | - |
| redhat | enterprise_linux_eus | - | - |
| redhat | enterprise_linux_eus | - | - |
| redhat | enterprise_linux_tus | - | - |
| redhat | enterprise_linux_tus | - | - |
| redhat | enterprise_linux_tus | - | - |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability
Impact