VULNERABILITY INTELLIGENCE

CVE-2021-3277

CVSS score7.2 HIGH
EPSS probability59.02%
CISA KEVNot currently listed
Published2021-06-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-434

Primary references