Advisories

LibreNMS before 26.5.0 Remote Code Execution via AboutController

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severity
high
date
Affecting
  • librenms >= 0, < 26.5.0

CWE
  • CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
CVSS
8.7
CVSS V4 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
Credit
tCu0n9
Description
LibreNMS versions before 26.5.0 contain a remote code execution vulnerability in the AboutController where the snmpget configuration parameter is passed to shell_exec() without proper validation. An authenticated administrator can modify the snmpget configuration to point to a malicious executable file and trigger code execution by accessing the /about endpoint.

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