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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities
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CVE-2021-3690 Detail

Description

A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability.


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

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Hyperlink Resource
https://access.redhat.com/security/cve/CVE-2021-3690 Vendor Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1991299 Issue Tracking  Vendor Advisory 
https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877 Patch  Third Party Advisory 
https://issues.redhat.com/browse/UNDERTOW-1935 Exploit  Issue Tracking  Mitigation  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-401 Missing Release of Memory after Effective Lifetime cwe source acceptance level NIST  
CWE-400 Uncontrolled Resource Consumption Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3690
NVD Published Date:
08/23/2022
NVD Last Modified:
07/07/2023
Source:
Red Hat, Inc.