CVE-2020-28909

Incorrect File Permissions in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root via modification of scripts. Low-privileges users are able to modify files that can be executed by sudo.

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

6.75% chance of exploitation in the next 30 days, 94th percentile

Published

2021-05-24

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/

Security advisories

• https://www.nagios.com/downloads/nagios-xi/change-log
• http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-S…
• https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you

References

• CVE Record
• NVD entry