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CVE-2024-13999

Nagios Xi vulnerability

9.8 CRITICALEPSS 1.88%
  1. Published30 Oct 2025

Description

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.

CVSS 3.1 breakdown

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

Affected products

Nagios Xi< 2024 · 2024

Remediation

Fixed in
Nagios Xi≥ 2024

References

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Frequently asked

Is CVE-2024-13999 being actively exploited?

CVE-2024-13999 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.88%.

How severe is CVE-2024-13999?

CVE-2024-13999 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.88% probability of exploitation.

Which products are affected by CVE-2024-13999?

Affected products include Nagios Xi.

How do I fix CVE-2024-13999?

Upgrade affected software to a fixed version, for example Nagios Xi 2024 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-13999 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. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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