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8.8

Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are include...

CVE-2020-28906 · published 5 years ago
Summary

Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are included (aka sourced) by scripts executed by root.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
nagios fusion <= 4.1.8
cpe:2.3:a:nagios:fusion:*:*:*:*:*:*:*:*
nagios nagios_xi <= 5.7.5
cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
Original advisory text
Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are include...
Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are included (aka sourced) by scripts executed by root.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
6% chance of attack within 30 days
Type
CWE-276Incorrect Default Permissions
Timeline
Published24 May 2021
Updated20 Oct 2026
First seen29 Sep 2026
Sources
CVE-2020-28906 · NVD
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