U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

CVE-2021-3859 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
https://access.redhat.com/security/cve/CVE-2021-3859 Vendor Advisory 
https://access.redhat.com/security/cve/CVE-2021-3859 Vendor Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2010378 Issue Tracking  Vendor Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2010378 Issue Tracking  Vendor Advisory 
https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2 Patch  Third Party Advisory 
https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2 Patch  Third Party Advisory 
https://github.com/undertow-io/undertow/pull/1296 Third Party Advisory 
https://github.com/undertow-io/undertow/pull/1296 Third Party Advisory 
https://issues.redhat.com/browse/UNDERTOW-1979 Issue Tracking  Patch  Vendor Advisory 
https://issues.redhat.com/browse/UNDERTOW-1979 Issue Tracking  Patch  Vendor Advisory 
https://security.netapp.com/advisory/ntap-20221201-0004/ Third Party Advisory 
https://security.netapp.com/advisory/ntap-20221201-0004/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-668 Exposure of Resource to Wrong Sphere cwe source acceptance level NIST  
CWE-214 Invocation of Process Using Visible Sensitive Information Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3859
NVD Published Date:
08/26/2022
NVD Last Modified:
11/21/2024
Source:
Red Hat, Inc.