Vulnerability identifier: #VU53521
Vulnerability risk: Medium
CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Nagios XI
Server applications /
Other server solutions
Nagios Fusion
Server applications /
SCADA systems
Vendor: nagios.org
Description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to incorrect file permissions in fusion-sys.cfg / xi-sys.cfg. A remote authenticated attacker can modify files that are included by scripts and gain elevated privileges on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Nagios XI: 5.7.0 - 5.7.5
Nagios Fusion: 4.0.0 - 4.1.8
External links
https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/
https://www.nagios.com/downloads/nagios-xi/change-log/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.