How severe is CVE-2024-14006?

CVE-2024-14006 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-14006 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-14006?

CVE-2024-14006 primarily affects Nagios Nagios Xi. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-14006?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-14006 have an EU (EUVD) identifier?

Yes. CVE-2024-14006 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55053.

When was CVE-2024-14006 published?

CVE-2024-14006 was published on 2025-10-30 and last updated on 2026-10-02.

CVE-2024-14006

CVE-2024-14006 is a medium-severity vulnerability in Nagios Nagios Xi with a CVSS 3.x base score of 6.1. 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-346.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 8.8
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-55053
Weakness: CWE-346
Affected product: Nagios Nagios Xi
Published: 2025-10-30
Last modified: 2026-10-02

Description

Nagios XI versions prior to 2024R1.2.2 contain a host header injection vulnerability. The application trusts the user-supplied HTTP Host header when constructing absolute URLs without sufficient validation. An unauthenticated, remote attacker can supply a crafted Host header to poison generated links or responses, which may facilitate phishing of credentials, account recovery link hijacking, and web cache poisoning.

Frequently asked questions

What is CVE-2024-14006?: Nagios XI versions prior to 2024R1.2.2 contain a host header injection vulnerability. The application trusts the user-supplied HTTP Host header when constructing absolute URLs without sufficient validation. An unauthenticated, remote attacker can supply a crafted Host header to poison generated links or responses, which may facilitate phishing of credentials, account recovery link hijacking, and web cache poisoning.
How severe is CVE-2024-14006?: CVE-2024-14006 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-14006 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-14006?: CVE-2024-14006 primarily affects Nagios Nagios Xi. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-14006?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-14006 have an EU (EUVD) identifier?: Yes. CVE-2024-14006 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55053.
When was CVE-2024-14006 published?: CVE-2024-14006 was published on 2025-10-30 and last updated on 2026-10-02.

References

Affected products (12)

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:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.3:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.4:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.5:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.2:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.2.1:*:*:*:*:*:*

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-2024-13999 — Critical (CVSS 9.8): Nagios XI versions prior to 2024R1.1.3, under certain circumstances, disclose the server's Active Directory (AD) or…
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-2024-24402 — 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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