Vulnerability identifier: #VU53520

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-28905

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Nagios Fusion
Server applications / SCADA systems

Vendor: nagios.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the table pagination. A remote authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Nagios Fusion: 4.0.0 - 4.1.8

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External links
http://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/
http://www.nagios.com/downloads/nagios-xi/change-log/

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Q & A

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.