CVE-2020-28903

Public Exploit

Description

Improper input validation in Nagios Fusion 4.1.8 and earlier allows a remote attacker with control over a fused server to inject arbitrary HTML, aka XSS.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 6.32% Top 10%
Vendor Advisory nagios.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.nagios.com/downloads/nagios-xi/change-log/ release notes vendor advisory
https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/ third party advisory exploit
http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-28903?
CVE-2020-28903 has been scored as a medium severity vulnerability.
How to fix CVE-2020-28903?
To fix CVE-2020-28903, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-28903 being actively exploited in the wild?
It is possible that CVE-2020-28903 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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