CVE-2020-8448

Name: CVE-2020-8448
Creator: NVD / NIST
Published: 2020-01-30T01:15:11.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2020-8448 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a denial of service (NULL pointer dereference) via crafted messages written directly to the analysisd UNIX domain socket by a local user.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a denial of service (NULL pointer dereference) via crafted messages written directly to the analysisd UNIX domain socket by a local user.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.49%

38.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Ossec	Ossec	>= 2.7, <= 3.5.0

References

https://github.com/ossec/ossec-hids/issues/1815Exploit, 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/1815Exploit, 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
Status: Modified

Frequently Asked Questions

What is CVE-2020-8448?

How severe is CVE-2020-8448?

CVE-2020-8448 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8448?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8448?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST