Rapid7

vulnerability

Ubuntu: (Multiple Advisories) (CVE-2016-9566): Nagios vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Dec 15, 2016
Added
Apr 5, 2017
Modified
Mar 27, 2026

Description

base/logging.c in Nagios Core before 4.2.4 allows local users with access to an account in the nagios group to gain root privileges via a symlink attack on the log file. NOTE: this can be leveraged by remote attackers using CVE-2016-9565.

Solutions

ubuntu-upgrade-nagios3-cgiubuntu-upgrade-nagios3-core
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.