CVE-2020-28900

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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.

References

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

https://www.nagios.com/downloads/nagios-xi/change-log/

http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html

Details

Source: MITRE

Published: 2021-05-24

Updated: 2021-05-28

Type: CWE-345

Risk Information

CVSS v2

Base Score: 10

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:nagios:fusion:*:*:*:*:*:*:*:* versions up to 4.1.8 (inclusive)

cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:* versions up to 5.7.5 (inclusive)

Tenable Plugins

View all (1 total)

IDNameProductFamilySeverity
150054Nagios Fusion < 4.1.9 Multiple VulnerabilitiesNessusCGI abuses
critical