What is CVE-2020-36867?

CVE-2020-36867 is a high-severity vulnerability in Nagios Nagios_xi, classified under OS Command Injection. CVSS score: 8.8/10. Published 2025-10-30.

How severe is CVE-2020-36867?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Nagios Nagios_xi

CVE-2020-36867

Nagios XI versions prior to 5.7.3 contain a command injection vulnerability in the report PDF download/export functionality. User-supplied values used in the PDF generation pipeline or the wrapper that invokes offline/pdf helper utilities…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.026 (83.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nagios Nagios_xi
Nagios Xi — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (release-notes, Release Notes, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2020-36867?: CVE-2020-36867 is a high-severity vulnerability in Nagios Nagios_xi, classified under OS Command Injection. CVSS score: 8.8/10. Published 2025-10-30.
How severe is CVE-2020-36867?: High severity. CVSS v3 base score is 8.8 out of 10.