CVE-2021-37223

6.5 mediumEPSS 5.0%

Medium (6.5) in nagios nagios xi. EPSS 5.0% chance of exploitation in the next 30 days.

Nagios Enterprises NagiosXI <= 5.8.4 contains a Server-Side Request Forgery (SSRF) vulnerability in schedulereport.php. Any authenticated user can create scheduled reports containing PDF screenshots of any view in the NagiosXI application. Due to lack of input sanitisation, the target page can be replaced with an SSRF payload to access internal resources or disclose local system files.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 5.0% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2021-10-05
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

nagios:nagios_xi

References

https://www.nagios.com/downloads/nagios-xi/change-log/
https://www.nagios.com/downloads/nagios-xi/change-log/

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