What is CVE-2021-41821?

CVE-2021-41821 is a medium-severity vulnerability in Wazuh, classified under Integer Underflow. CVSS score: 6.5/10. Published 2021-09-29.

How severe is CVE-2021-41821?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Integer overflow in Wazuh

CVE-2021-41821

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.

EPSS: 0.011 (62.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Wazuh
N/a — versions n/a

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-41821?: CVE-2021-41821 is a medium-severity vulnerability in Wazuh, classified under Integer Underflow. CVSS score: 6.5/10. Published 2021-09-29.
How severe is CVE-2021-41821?: Medium severity. CVSS v3 base score is 6.5 out of 10.