Nagios XI up to 2024R1.2.1 Header Host origin validation

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Nagios XI up to 2024R1.2.1. It has been declared as critical. The affected element is an unknown function of the component Header Handler. Such manipulation of the argument Host leads to origin validation. This vulnerability is traded as CVE-2024-14006. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Nagios XI up to 2024R1.2.1. Affected by this issue is some unknown processing of the component Header Handler. The manipulation of the argument Host with an unknown input leads to a origin validation vulnerability. Using CWE to declare the problem leads to CWE-346. The product does not properly verify that the source of data or communication is valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at nagios.com. This vulnerability is handled as CVE-2024-14006 since 10/22/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 2024R1.2.2 eliminates this vulnerability. The upgrade is hosted for download at nagios.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: XI 2024R1.2.2

Timelineinfo

10/22/2025 CVE reserved
10/31/2025 +9 days Advisory disclosed
10/31/2025 +0 days VulDB entry created
11/08/2025 +8 days VulDB entry last update

Sourcesinfo

Advisory: nagios.com
Status: Confirmed

CVE: CVE-2024-14006 (🔒)
GCVE (CVE): GCVE-0-2024-14006
GCVE (VulDB): GCVE-100-330644

Entryinfo

Created: 10/31/2025 07:33
Updated: 11/08/2025 03:17
Changes: 10/31/2025 07:33 (69), 11/08/2025 03:17 (11)
Complete: 🔍
Cache ID: 216::103

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