All vulnerabilities

Servers and applications

CVE-2020-36856

Nagios XI versions prior to 5.6.14 contain an authenticated remote command execution vulnerability in the CCM command_test.php script. Insufficient validation of the `address` parameter allows an authenticated user with access to the Core Config Manager to inject shell metacharacters that are incorporated into backend command invocations. Successful exploitation enables arbitrary command…

Severity
Critical 9.4
Published
30 Oct 2025
Last changed
18 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.6.14
Sources
NVD

Affected software

SoftwareAffected versions
Nagios XIServers and applications · cpe:a:nagios:nagios_xi
  • Every version before 5.6.14

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-36856
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-36856