What’s Vulnerable › Vulnerabilities

CVE-2021-41821

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-29 · updated 2026-06-17
• Weakness: CWE-191

Description

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 products

• wazuh: through 4.1.5

References

• https://documentation.wazuh.com/current/release-notes/release_4_2_0.html
• https://github.com/wazuh/wazuh/issues/9201
• https://documentation.wazuh.com/current/release-notes/release_4_2_0.html
• https://github.com/wazuh/wazuh/issues/9201

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