← Back

CVE-2021-3859

nvd nist
Published: Aug 26, 2022Modified: Jun 17, 2026

JSON object

Loading...
7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.

Affected (8)

3 products
Single Sign On
Undertow
3 products
Cloud Secure Agent
Oncommand Insight
Oncommand Workflow Automation
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Redhat
Version 7.3
Version 7.4
Redhat
Version 7.4.10
Version 7.5.1
Before 2.2.15
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
All versions
All versions
All versions

References (12)

Source: secalert@redhat.com
Vendor Advisory
Source: secalert@redhat.com
Issue TrackingVendor Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Issue TrackingPatchVendor Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.