Skip to main content

CVE-2021-25297

8.8
HIGHCVSS v3.1 Base Score
81.88%
HIGH RiskEPSS (99th percentile)
KEV
CWE-78NVD-CWE-Other

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.

Published: 2/15/2021
Modified: 11/3/2025
Back to CVE Lookup

ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Nagios XI OS Command Injection

Vendor / Product:

Nagios Nagios XI

Required Action:

Apply updates per vendor instructions.

Due Date: 2/1/2022(OVERDUE)
Added to KEV:

1/18/2022

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2021-25297

Vulnerability Summary

CVSS v3 Score

8.8HIGH

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

CVSS v2 Score

9

AV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS Score (Exploitation Probability)

81.88%HIGH Exploitation Risk
99th percentile

This vulnerability has a 81.88% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.

CWE Classification

CWE-78NVD-CWE-Other

Related Vulnerabilities

Same Weakness Type(CWE-78)

CVE-2026-6195CRITICAL 9.8

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument admpass leads to os command injection. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

4/13/2026
CVE-2026-6131CRITICAL 9.8

A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument command results in os command injection. The attack may be launched remotely. The exploit has been made public and could be used.

4/12/2026
CVE-2026-25108HIGH 8.8

FileZen contains an OS command injection vulnerability. When FileZen Antivirus Check Option is enabled, a logged-in user may send a specially crafted HTTP request to execute an arbitrary OS command.

2/13/2026
CVE-2026-1731CRITICAL 9.8

BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user.

2/6/2026
CVE-2020-37027CRITICAL 9.8

Sickbeard alpha contains a remote command injection vulnerability that allows unauthenticated attackers to execute arbitrary commands through the extra scripts configuration. Attackers can set malicious commands in the extra scripts field and trigger processing to execute remote code on the vulnerable Sickbeard installation.

1/30/2026

Similar SeverityHIGH