CVE-2021-41821: Integer Underflow
Published Sep 29, 2021
·Updated
Wazuh Manager in Wazuh through 4.1.5 is affected by a remote Integer Underflow vulnerability that might lead to denial of service. A crafted message must be sent from an authenticated agent to the manager.
Affected Software
1 affected component
Wazuh Wazuh<=4.1.5
Event History
Sep 29, 2021
CVE Published
via MITRE·10:59 PM
Data Sourced
via MITRE·10:59 PM
Description
Data Sourced
via NVD·11:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-41821?
CVE-2021-41821 is classified as a medium severity vulnerability.
2
How do I fix CVE-2021-41821?
To fix CVE-2021-41821, upgrade to Wazuh version 4.2.0 or later.
3
Who is affected by CVE-2021-41821?
CVE-2021-41821 affects Wazuh Manager versions up to and including 4.1.5.
4
What type of vulnerability is CVE-2021-41821?
CVE-2021-41821 is an Integer Underflow vulnerability that could result in denial of service.
5
How is CVE-2021-41821 exploited?
CVE-2021-41821 can be exploited by sending a crafted message from an authenticated agent to the Wazuh Manager.