CVE-2020-8447

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a use-after-free during processing of syscheck formatted msgs (received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted).

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/ossec/ossec-hids/issues/1818Exploit, Third Party Advisory
https://github.com/ossec/ossec-hids/issues/1821Third Party Advisory
https://security.gentoo.org/glsa/202007-33Third Party Advisory
https://www.ossec.net/Vendor Advisory
https://github.com/ossec/ossec-hids/issues/1818Exploit, Third Party Advisory
https://github.com/ossec/ossec-hids/issues/1821Third Party Advisory
https://security.gentoo.org/glsa/202007-33Third Party Advisory
https://www.ossec.net/Vendor Advisory

Timeline

Published: Jan 30, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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