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githubGitHub Advisory DatabaseGHSA-4JXX-4QXW-PRXM
HistoryMay 24, 2022 - 4:45 p.m.

Denial of service in ASP.NET Core

2022-05-2416:45:54
GitHub Advisory Database
github.com
15
denial of service
asp.net core
vulnerability

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

50.1%

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka ‘ASP.NET Core Denial of Service Vulnerability’.

Affected configurations

Vulners
Node
microsoft.aspnetcore.signalr.protocols.messagepackRange<1.0.11
OR
microsoft.aspnetcore.signalr.protocols.messagepackRange<1.1.5

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

50.1%