CVE-2021-3277

HIGH

Nagios XI <5.7.5 - RCE

Title source: llm
STIX 2.1

Description

Nagios XI 5.7.5 and earlier allows authenticated admins to upload arbitrary files due to improper validation of the rename functionality in custom-includes component, which leads to remote code execution by uploading php files.

References (1)

Core 1
Core References

Scores

CVSS v3 7.2
EPSS 0.3523
EPSS Percentile 97.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-434
Status published
Products (1)
nagios/nagios_xi < 5.7.5
Published Jun 07, 2021
Tracked Since Feb 18, 2026