How severe is CVE-2024-13999?

CVE-2024-13999 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-13999 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-13999?

CVE-2024-13999 primarily affects Nagios Nagios Xi. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-13999?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-13999 have an EU (EUVD) identifier?

Yes. CVE-2024-13999 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55058.

When was CVE-2024-13999 published?

CVE-2024-13999 was published on 2025-10-30 and last updated on 2026-06-17.

CVE-2024-13999

CVE-2024-13999 is a critical-severity vulnerability in Nagios Nagios Xi with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-497.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 7.3
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-55058
Weakness: CWE-497
Affected product: Nagios Nagios Xi
Published: 2025-10-30
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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. Exposure of the server’s AD/LDAP token could allow domain-wide authentication misuse, escalation of privileges, or further compromise of network-integrated systems.
How severe is CVE-2024-13999?: CVE-2024-13999 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-13999 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-13999?: CVE-2024-13999 primarily affects Nagios Nagios Xi. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-13999?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-13999 have an EU (EUVD) identifier?: Yes. CVE-2024-13999 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55058.
When was CVE-2024-13999 published?: CVE-2024-13999 was published on 2025-10-30 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.0.1:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.0.2:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.1:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.2:*:*:*:*:*:*

More vulnerabilities in Nagios Nagios Xi

CVE-2024-14003 — Critical (CVSS 9.8): Nagios XI versions prior to 2024R1.2 are vulnerable to remote code execution (RCE) through its NRDP (Nagios Remote…
CVE-2024-13996 — Critical (CVSS 9.8): Nagios XI versions prior to 2024R1.1.3 did not invalidate all other active sessions for a user when that user's…
CVE-2024-13994 — Critical (CVSS 9.8): Nagios XI versions prior to 2024R1.1.2 contain a missing authorization control when the 'Allow Insecure Logins'…
CVE-2012-10063 — Critical (CVSS 9.8): Nagios XI versions prior to 2012R1.3 contain a SQL injection vulnerability in the legacy Core Configuration Manager…
CVE-2024-33775 — Critical (CVSS 9.8): An issue with the Autodiscover component in Nagios XI 2024R1.01 allows a remote attacker to escalate privileges via a…
CVE-2024-24402 — Critical (CVSS 9.8): An issue in Nagios XI 2024R1.01 allows a remote attacker to escalate privileges via a crafted script to the…

All CVEs affecting Nagios Nagios Xi →

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