9.8

CVE-2025-6544

Exploit

Deserialization Vulnerability in h2oai/h2o-3

A deserialization vulnerability exists in h2oai/h2o-3 versions <= 3.46.0.8, allowing attackers to read arbitrary system files and execute arbitrary code. The vulnerability arises from improper handling of JDBC connection parameters, which can be exploited by bypassing regular expression checks and using double URL encoding. This issue impacts all users of the affected versions.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
H2o ≫ H2o Version >= 3.0.0.2 <= 3.46.0.8
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.84% 0.53
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security@huntr.dev 9.8 3.9 5.9
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

https://huntr.com/bounties/53f35a0f-d644-4f82-93aa-89fe7e0aed40
Third Party Advisory
Exploit
https://github.com/h2oai/h2o-3/commit/0298ee348f5c73673b7b542158081e79605f5f25
Patch