CVE-2021-25297

Nagios XI OS Command Injection

IN CISA KEV

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

Vendor: Nagios
Product: Nagios XI
CVSS: No score recorded (no NVD record loaded for this entry)
CWE: CWE-78, CWE-138
Published: Not recorded
NVD modified: Not recorded

CISA KEV

Date added: 2022-01-18
Due date: 2022-02-01
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.

EPSS

56.7% chance of exploitation in the next 30 days (percentile 99th)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.