CVE-2020-8443 is a critical heap-based buffer overflow vulnerability affecting OSSEC-HIDS versions 2.7 through 3.5.0. Specifically, the ossec-analysisd component is susceptible when processing crafted syslog messages from authenticated remote agents. With a CVSS score of 9.8, this vulnerability allows for remote code execution with high impact on confidentiality, integrity, and availability, requiring no user interaction or complex attack conditions. While there is no known active exploitation or publicly available exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.7, <= 3.5.0CPE matchmatch criteria | cpe:2.3:a:ossec:ossec:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.