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Vulnerabilities

Vulnerability · CVE-2024-13999

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.

Published Oct 30, 2025 · catalog updated Sep 30, 2026 · Nagios XI

Last checked Oct 30, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2024-13999. EPSS is 1.88%. Act only if a listed version of Nagios XI is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.88%
Remediation
Version ranges on file
Affected products
vendor Nagios XI 0 <2024R1.1.3

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Nagios XI 0 <2024R1.1.30 <2024R1.1.3

How to fix CVE-2024-13999

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2024-13999. EPSS is 1.88%. Act only if a listed version of Nagios XI is installed.

Which versions are affected?

Compare what you have installed with Nagios XI 0 <2024R1.1.3 0 <2024R1.1.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.88%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 30, 2025 · EUVD

    Detected

    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.

  2. Sep 30, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2024-13999

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-13999

    30-day exploitation probability 1.88%

    first.org
  • EUVDVulnerability recordEUVD-2024-55058

    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,

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 30, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026