CVE-2020-8442
CVSS v3
8.8
HIGH
EPSS Score
2.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a heap-based buffer overflow in the rootcheck decoder component via an authenticated client.
Technical details
- Published
- 2020-01-30
Frequently asked questions
What is CVE-2020-8442?
In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a heap-based buffer overflow in the rootcheck decoder component via an authenticated client.
Is CVE-2020-8442 actively exploited?
Active exploitation of CVE-2020-8442 has not been confirmed. Its EPSS score was 2.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-8442?
CVE-2020-8442 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-8442 affecting your environment?
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