Is CVE-2021-25297 in the CISA KEV catalog?

Yes. CVE-2021-25297 is on the CISA Known Exploited Vulnerabilities list, added 2022-01-18.

What is the CVSS severity of CVE-2021-25297?

CVE-2021-25297 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-25297?

CVE-2021-25297 has an EPSS score of 40.62% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-25297

HIGHCISA KEVEPSS 98th pctl

8.8

CVSS v3

NVD

Description

Nagios XI version xi-5.7.5 is affected by OS command injection. The vulnerability exists in the file /usr/local/nagiosxi/html/includes/configwizards/switch/switch.inc.php due to improper sanitization of authenticated user-controlled input by a single HTTP request, which can lead to OS command injection on the Nagios XI server.

CWE-78OS Command Injection

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

40.62%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Nagios XI OS Command Injection

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

Apply updates per vendor instructions.

Remediation due: 2022-02-01

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.