CVE-2020-28900

Insufficient Verification of Data Authenticity in Nagios Fusion 4.1.8 and earlier and Nagios XI 5.7.5 and earlier allows for Escalation of Privileges or Code Execution as root via vectors related to an untrusted update package to upgrade_to_latest.sh.

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

3.12% chance of exploitation in the next 30 days, 88th 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