Vulnerability DatabaseCVE-2024-10549
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CVE-2024-10549
March 20, 2025
A vulnerability in the "/3/Parse" endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service (DoS) attack. The endpoint uses a user-specified string to construct a regular expression, which is then applied to another user-specified string. By sending multiple simultaneous requests, an attacker can exhaust all available threads, leading to a complete denial of service.
Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (4)
https://github.com/h2oai/h2o-3/blob/51c25940ded8b7d0acc8f3f72329fd9dedbb3a34/h2o-core/src/main/java/water/api/ParseHandler.java#L80
https://nvd.nist.gov/vuln/detail/CVE-2024-10549
https://huntr.com/bounties/ce7bd2d6-fd38-440d-a91a-dd8f3fc06bc2
https://github.com/h2oai/h2o-3
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
Inefficient Regular Expression Complexity
CWE-1333
EPSS
Base Score:
0.14