Nagios Fusion vulnerabilities

CVE-2020-28905 [HIGH] CWE-94 CVE-2020-28905: Improper Input Validation in Nagios Fusion 4.1.8 and earlier allows an authenticated attacker to exe Improper Input Validation in Nagios Fusion 4.1.8 and earlier allows an authenticated attacker to execute remote code via table pagination.

CVE-2020-28901 [CRITICAL] CWE-77 CVE-2020-28901: Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation or Code Executi Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation or Code Execution as root via vectors related to corrupt component installation in cmd_subsys.php.

CVE-2020-28902 [CRITICAL] CWE-77 CVE-2020-28902: Command Injection in Nagios Fusion 4.1.8 and earlier allows Privilege Escalation from apache to root Command Injection in Nagios Fusion 4.1.8 and earlier allows Privilege Escalation from apache to root in cmd_subsys.php.

CVE-2020-28908 [CRITICAL] CWE-77 CVE-2020-28908: Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to nagios. Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to nagios.

CVE-2020-28907 [CRITICAL] CWE-295 CVE-2020-28907: Incorrect SSL certificate validation in Nagios Fusion 4.1.8 and earlier allows for Escalation of Pri Incorrect SSL certificate validation in Nagios Fusion 4.1.8 and earlier allows for Escalation of Privileges or Code Execution as root via vectors related to download of an untrusted update package in upgrade_to_latest.sh.

CVE-2020-28904 [CRITICAL] CWE-269 CVE-2020-28904: Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege Escala Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation as nagios via installation of a malicious component containing PHP code.

CVE-2020-28909 [HIGH] CWE-732 CVE-2020-28909: Incorrect File Permissions in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to roo Incorrect File Permissions in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root via modification of scripts. Low-privileges users are able to modify files that can be executed by sudo.

CVE-2020-28900 [CRITICAL] CWE-345 CVE-2020-28900: Insufficient Verification of Data Authenticity in Nagios Fusion 4.1.8 and earlier and Nagios XI 5.7. Insufficient Verification of Data Authenticity in Nagios Fusion 4.1.8 and earlier and Nagios XI 5.7.5 and earlier allows for Escalation of Privileges or Code Execution as root via vectors related to an untrusted update package to upgrade_to_latest.sh.

CVE-2020-28906 [HIGH] CWE-276 CVE-2020-28906: Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows Incorrect File Permissions in Nagios XI 5.7.5 and earlier and Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root. Low-privileged users are able to modify files that are included (aka sourced) by scripts executed by root.

CVE-2025-60425 [HIGH] CWE-491 CVE-2025-60425: Nagios Fusion v2024R1.2 and v2024R2 does not invalidate already existing session tokens when the two Nagios Fusion v2024R1.2 and v2024R2 does not invalidate already existing session tokens when the two-factor authentication mechanism is enabled, allowing attackers to perform a session hijacking attack.

CVE-2025-60424 [HIGH] CWE-287 CVE-2025-60424: A lack of rate limiting in the OTP verification component of Nagios Fusion v2024R1.2 and v2024R2 all A lack of rate limiting in the OTP verification component of Nagios Fusion v2024R1.2 and v2024R2 allows attackers to bypass authentication via a bruteforce attack.

CVE-2020-28911 [MEDIUM] CWE-922 CVE-2020-28911: Incorrect Access Control in Nagios Fusion 4.1.8 and earlier allows low-privileged authenticated user Incorrect Access Control in Nagios Fusion 4.1.8 and earlier allows low-privileged authenticated users to extract passwords used to manage fused servers via the test_server command in ajaxhelper.php.

CVE-2020-28903 [MEDIUM] CWE-79 CVE-2020-28903: Improper input validation in Nagios Fusion 4.1.8 and earlier allows a remote attacker with control o Improper input validation in Nagios Fusion 4.1.8 and earlier allows a remote attacker with control over a fused server to inject arbitrary HTML, aka XSS.

CVE-2018-25119 [MEDIUM] CWE-79 CVE-2018-25119: Nagios Fusion versions prior to 4.1.5 are vulnerable to cross-site scripting (XSS) via the "fusionwi Nagios Fusion versions prior to 4.1.5 are vulnerable to cross-site scripting (XSS) via the "fusionwindow" parameter. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

CVE-2017-20209 [MEDIUM] CWE-79 CVE-2017-20209: Nagios Fusion versions prior to 4.0.1 are vulnerable to cross-site scripting (XSS) via the Users and Nagios Fusion versions prior to 4.0.1 are vulnerable to cross-site scripting (XSS) via the Users and Servers pages. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

CVE-2023-53690 [MEDIUM] CWE-79 CVE-2023-53690: Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting (XSS) vulnerability in t Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting (XSS) vulnerability in the LDAP/AD authentication-server configuration. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views the affected page. An attacker who can add authenticati

CVE-2018-12501 [MEDIUM] CWE-79 CVE-2018-12501: Nagios Fusion before 4.1.4 has XSS, aka TPS#13332-13335. Nagios Fusion before 4.1.4 has XSS, aka TPS#13332-13335.

CVE-2023-7312 [MEDIUM] CWE-79 CVE-2023-7312: Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting (XSS) vulnerability when Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting (XSS) vulnerability when adding or configuring Email Settings. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views the affected page. An attacker who can add or modify SMTP/email se

CVE-2023-53689 [MEDIUM] CWE-79 CVE-2023-53689: Nagios Fusion versions prior to 4.2.0 contain a reflected cross-site scripting (XSS) vulnerability i Nagios Fusion versions prior to 4.2.0 contain a reflected cross-site scripting (XSS) vulnerability in the license key configuration flow that can result in execution of attacker-controlled script in the browser of a user who follows a crafted URL. While the application server itself is not directly corrupted by the reflected XSS, the resulting browse