High severity · published Oct 30, 2025
CVE-2020-36867
Nagios XI < 5.7.3 Command Injection in Report PDF Download
8.8
CVSS
2.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XI
XI · Nagios
before 5.7.3 · source: vendor
NX
Nagios XI · Nagios
before 5.7.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36867
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36867
Release Notes
https://www.nagios.com/changelog/nagios-xi/
Third Party Advisory
https://www.vulncheck.com/advisories/nagios-xi-command-injection-in-report-pdf-download
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