CVE-2024-21386

2024-02-1318:30:23

redhat.com

access.redhat.com

cve-2024-21386

.net

signalr

denial of service

remote attacker

user-supplied input validation

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.7%

JSON

A denial of service vulnerability is present in the .NET applications utilizing SignalR, which a malicious client can exploit. The issue arises from inadequate validation of user-supplied input in .NET. This flaw allows a remote attacker to trigger a denial of service (DoS) attack by providing specially crafted input.