9.8

CVE-2024-13999: nagios nagios_xi

CVSS: 9.8v3.1CriticalAnalyzed
Published 30-10-2025Last modified 30-09-2026
Open JSON

Vulnerability summary

CVE-2024-13999 is a critical (CVSS 9.8) vulnerability in nagios nagios_xi. EPSS estimates a 1.88% chance of exploitation in the next 30 days, higher than 79.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.88%
0%100%
Low · +0.11 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-10-2025
    PublishedVulnerability first disclosed.
  2. 30-09-2026
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.88%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

+0.11 pp

From 1.77% on 22-09-2026

22-09-202622-10-2026
EPSS score
1.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Nagios2 products
  • nagios_xi< 2024 | 2024:r1 | 2024:r1.0.1 | 2024:r1.0.2 | 2024:r1.1 | 2024:r1.1.1 | 2024:r1.1.2
  • xi< 2024R1.1.3

1 vendor · 2 products

References

3 links