Description
A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a `HEAD` request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controlled server that hangs, causing the application to block and become unresponsive to other requests.
Published: 2025-03-20
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-6929 A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a `HEAD` request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controlled server that hangs, causing the application to block and become unresponsive to other requests.
Github GHSA Github GHSA GHSA-5c8j-g96x-cj78 H2O Vulnerable to Denial of Service (DoS) via `HEAD` Request
History

Wed, 26 Mar 2025 16:30:00 +0000

Type Values Removed Values Added
First Time appeared H2o
H2o h2o
CPEs cpe:2.3:a:h2o:h2o:3.46.0:*:*:*:*:*:*:*
Vendors & Products H2o
H2o h2o
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Thu, 20 Mar 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 20 Mar 2025 10:15:00 +0000

Type Values Removed Values Added
Description A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a `HEAD` request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controlled server that hangs, causing the application to block and become unresponsive to other requests.
Title Denial of Service in h2oai/h2o-3
Weaknesses CWE-1088
References
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Subscriptions

H2o H2o
cve-icon MITRE

Status: PUBLISHED

Assigner: @huntr_ai

Published:

Updated: 2025-03-20T15:23:28.917Z

Reserved: 2024-08-21T18:58:51.164Z

Link: CVE-2024-8062

cve-icon Vulnrichment

Updated: 2025-03-20T15:23:18.706Z

cve-icon NVD

Status : Analyzed

Published: 2025-03-20T10:15:40.627

Modified: 2025-03-26T16:10:51.357

Link: CVE-2024-8062

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses