CVE-2024-13993
Nagios XI vulnerability analysis and mitigation

Overview

Nagios XI versions prior to 2024R1.1.2 are vulnerable to a reflected cross-site scripting (XSS) vulnerability that affects the login page when accessed with older web browsers (VulnCheck Advisory). The vulnerability was discovered by Adam Kues from Assetnote and was assigned CVE-2024-13993.

Technical details

The vulnerability stems from insufficient validation or escaping of user-supplied input on the login page. The issue has been assigned CWE-79 (Improper Neutralization of Input During Web Page Generation) and has received a CVSS v4.0 score of 5.1 MEDIUM (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N) (VulnCheck Advisory).

Impact

An attacker can craft a malicious link that, when visited by a victim using an older web browser, executes arbitrary JavaScript within the Nagios XI origin. The vulnerability's impact is somewhat limited as modern browsers may mitigate some attack vectors (VulnCheck Advisory).

Mitigation and workarounds

Users should upgrade to Nagios XI version 2024R1.1.2 or later to address this vulnerability. The fix has been included in subsequent releases (Nagios Changelog).

Additional resources


SourceThis report was generated using AI

Related Nagios XI vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2024-13997CRITICAL9.4
  • Nagios XINagios XI
  • cpe:2.3:a:nagios:nagios_xi
NoNoNov 03, 2025
CVE-2024-13998MEDIUM6
  • Nagios XINagios XI
  • cpe:2.3:a:nagios:nagios_xi
NoNoNov 03, 2025
CVE-2021-47698MEDIUM5.1
  • Nagios XINagios XI
  • cpe:2.3:a:nagios:nagios_xi
NoYesNov 03, 2025
CVE-2024-13992MEDIUM5.1
  • Nagios XINagios XI
  • cpe:2.3:a:nagios:nagios_xi
NoNoOct 31, 2025
CVE-2016-15054N/AN/A
  • Nagios XINagios XI
  • cpe:2.3:a:nagios:nagios_xi
NoYesNov 03, 2025

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