CVE-2020-8443

PoC —

CVSS 3.1

9.8 critical

EPSS

3%p85

Published

Jan 30, 2020 (Jan 30, 2020)

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 an off-by-one heap-based buffer overflow during the cleaning of crafted syslog msgs (received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted).

Vendors: ossec
Products: ossec
Weakness: CWE-193, CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.7%)

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