What is the CVSS score of CVE-2024-8062?

CVE-2024-8062 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of H2O are affected by CVE-2024-8062?

Organizations using the typeahead endpoint of h2oai/h2o-3 face notable risk from CVE-2024-8062 rated CVSS 7.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2024-8062?

Yes, a public proof-of-concept exploit is available for CVE-2024-8062. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2024-8062?

Within 7 days: Identify all affected systems running the typeahead endpoint of h2oai/h2o-3 and apply vendor patches promptly. Monitor vendor channels for patch availability.

H2O CVE-2024-8062

HIGH

Synchronous Access of Remote Resource without Timeout (CWE-1088)

2025-03-20 security@huntr.dev

Denial Of Service H2O

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:32 vuln.today

PoC Detected

Mar 26, 2025 - 16:10 vuln.today

Public exploit code

CVE Published

Mar 20, 2025 - 10:15 nvd

HIGH 7.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

4 maven packages depend on ai.h2o:h2o-core (4 direct, 0 indirect)

Ecosystem-wide dependent count for version 3.2.0.1.

DescriptionCVE.org

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.

AnalysisAI

A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-1088. 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. Affected products include: H2O. Version information: version 3.46.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.