CVE-2021-25297CISA KEVEPSS p99.0%

CVE-2021-25297Nagios XI OS Command Injection

Nagios / Nagios XI

Description

Nagios XI contains a vulnerability which can lead to OS command injection on the Nagios XI server.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS56.38% probability of exploitation · percentile 99.0% · 2026-07-31T12:03:43Z
Last modified2026-07-09

CISA KEV entry

Added to KEV: 2022-01-18

(incoming)1

TypeTargetConfidenceTier
KEVEntryNagios XI OS Command Injectionkev-cve-2021-252970%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2025-34284
CVE
CVE-2025-34227
CVE
Nagios XI Remote Code Execution Vulnerability
CVE
CVE-2025-67255
CVE
Cacti Command Injection Vulnerability
CVE
CVE-2025-26817
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.