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    CVE-2023-6017

    H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.

    Published:Nov 16, 2023
    Last Modified:Nov 21, 2024
    EPS:Nov 16, 2023
    EPSS Score:0.00194
    CVSS Score:7.1

    Affected Products

    Vendor
    H2o
    Product
    H2o

    Exploits

    https://huntr.com/bounties/6a69952f-a1ba-4dee-9d8c-e87f52508b58https://huntr.com/bounties/6a69952f-a1ba-4dee-9d8c-e87f52508b58

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-54340 (CVSS 7.5) — h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 9265bdd, there is an HTTP/…
    CVE-2026-44453 (CVSS 7.5) — h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 6b5370d, h2o is vulnerable…
    CVE-2026-44452 (CVSS 5.9) — h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 8dc37cb, when h2o receives…
    CVE-2026-55213 (CVSS 7.5) — h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2…
    CVE-2026-8752 (CVSS 5.5) — A weakness has been identified in h2oai h2o-3 up to 7402. This vulnerability affects the function exec of the …
    CVE-2026-8751 (CVSS 5.5) — A security flaw has been discovered in h2oai h2o-3 up to 7402. This affects the function importBinaryModel of …
    CVE-2026-8750 (CVSS 5.5) — A vulnerability was identified in h2oai h2o-3 up to 7402. Affected by this issue is the function importFiles o…
    CVE-2026-3960 (CVSS 9.8) — A critical remote code execution vulnerability exists in the unauthenticated REST API endpoint /99/ImportSQLTa…
    CVE-2025-10769 (CVSS 2.1) — A vulnerability has been found in h2oai h2o-3 up to 3.46.08. This affects an unknown function of the file /99/…
    CVE-2025-10768 (CVSS 2.1) — A flaw has been found in h2oai h2o-3 up to 3.46.08. The impacted element is an unknown function of the file /9…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High