CVE-2020-28903

moderate-risk
Published 2021-05-24

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.

Do I need to act?

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24.9% chance of exploitation in next 30 days
EPSS score — higher than 75% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Nagios

References (6)

Third Party Advisory http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalatio...
Exploit https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/
Release Notes https://www.nagios.com/downloads/nagios-xi/change-log/
Third Party Advisory http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalatio...
Exploit https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/
Release Notes https://www.nagios.com/downloads/nagios-xi/change-log/
43
/ 100
moderate-risk
Severity 23/34 · High
Exploitability 15/34 · Moderate
Exposure 5/34 · Minimal