---
id: CVE-2024-13999
title: "Nagios XI versions prior to 2024R1.1.3, under certain circumstances,\_disclose the server's Active Directory (AD) or LDAP authentication token to an authenticated user"
summary: "Nagios XI versions prior to 2024R1.1.3, under certain circumstances,\_disclose the server's Active Directory (AD) or LDAP authentication token to an authenticated user. Exposure of the server’s AD/LDAP token could allow domain-wide authen…"
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-497
vendor: nagios
product: nagios_xi
affected:
  - nagios_xi < 2024
  - nagios_xi = 2024
patched:
  - nagios_xi 2024
published: '2025-10-30'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T18:17:55.190'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-13999'
references:
  - url: 'https://www.nagios.com/changelog/nagios-xi/'
    label: disclosure@vulncheck.com
  - url: 'https://www.nagios.com/products/security/#nagios-xi'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/nagios-xi-ad-ldap-token-authenticated-information-disclosure
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
  - score-dispute
epss: 0.01883
epssPercentile: 0.78691
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2025-10-31T15:07:51.139533Z'
scores:
  nvd: 9.8
  cna: 7.3
ingestedAt: '2026-09-30T18:17:24.565Z'
---

## Overview

Nagios XI versions prior to 2024R1.1.3, under certain circumstances, disclose the server's Active Directory (AD) or LDAP authentication token to an authenticated user. Exposure of the server’s AD/LDAP token could allow domain-wide authentication misuse, escalation of privileges, or further compromise of network-integrated systems.

## Affected

- `nagios_xi < 2024`
- `nagios_xi = 2024`

## Remediation

Upgrade past the affected range:

- `nagios_xi 2024`