CVE-2020-36867 HIGH

CVE-2020-36867: Nagios XI < 5.7.3 Command Injection in Report PDF Download

Vendor Nagios
Product XI
Weakness CWE-78
Published October 30, 2025
Last update November 17, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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 were insufficiently validated or improperly escaped, allowing an authenticated attacker who can trigger PDF exports to inject shell metacharacters or arguments.

Key dates

02Disclosure timeline

October 30, 2025 CVE published
November 17, 2025 Record updated