OS Command Injection in Nagios XI - CVE-2020-35578
Published: January 13, 2021 / Updated: May 9, 2021
Vulnerability identifier: #VU49671
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-35578
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the Manage Plugins page during a plugin upload. A remote privileged user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Affected software
Nagios XI
How to mitigate CVE-2020-35578
Install updates from vendor's website.
Nagios XI - update to 5.8.0
Links to Public Exploits and PoC-codes
- Exploit #5368 - Nagios XI Prior to 5.8.0 - Plugins Filename Authenticated Remote Code Exection (May 9, 2021)
- Exploit #5380 - Nagios XI Scanner (May 9, 2021)
- Exploit #5299 - Nagios XI Remote Code Execution (April 16, 2021)
- Exploit #5044 - Nagios XI 5.7.X - Remote Code Exection RCE (Authenticated) (January 19, 2021)