Secuno
ENNL
Book demo

CVE-2021-25297

Nagios XI OS Command Injection

8.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 56.7%
  1. Published15 Feb 2021
  2. Added to CISA KEV18 Jan 2022
  3. Remediation due1 Feb 2022
Actively exploited (CISA KEV)

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

Added to KEV: 18 Jan 2022Federal remediation due: 1 Feb 2022

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Nagios Xi≥ 5.5.6 ≤ 5.7.5

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-10911010.0
A flaw has been found in Wavlink WL-WN592AX6 250422. This issue affects the function…
CVE-2026-1091089.9
A security vulnerability has been detected in Wavlink WL-WN530BE1-A 251117. This…
CVE-2026-820968.8
IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker…
CVE-2026-185298.7
IBM Maximo Application Suite - Location Service for Esri Component 9.2, 9.1, and 9.0 is…
CVE-2025-714299.8
GPT-SoVITS through 20250606v2pro contains an OS command injection vulnerability in…
CVE-2020-372798.1
easy-pdf-merge 0.1.0 through 0.2.6 contains an OS command injection vulnerability that…

Frequently asked

Is CVE-2021-25297 being actively exploited?

Yes. CVE-2021-25297 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 18 Jan 2022.

How severe is CVE-2021-25297?

CVE-2021-25297 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 56.7% probability of exploitation.

Which products are affected by CVE-2021-25297?

Affected products include Nagios Xi.

How do I fix CVE-2021-25297?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-25297 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.