{"id":"CVE-2023-6017","aliases":["EUVD-2023-58282","GHSA-pwcm-766j-45vc"],"status":"published","title":"H2O S3 Bucket Takeover","description":"H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.","severity":{"version":"3.0","score":8.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00855,"percentile":0.58622,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-840"],"published":"2023-11-16T16:07:01Z","modified":"2026-06-17T06:49:51Z","products":[{"vendor":"h2o","product":"h2o"},{"vendor":"h2oai","product":"h2oai/h2o-3"}],"references":[{"url":"https://huntr.com/bounties/6a69952f-a1ba-4dee-9d8c-e87f52508b58","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6017"},{"url":"https://github.com/advisories/GHSA-pwcm-766j-45vc"}],"sources":{"cve":[{"id":"CVE-2023-6017","title":"H2O S3 Bucket Takeover","description":"H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.","status":"published","published":"2023-11-16T16:07:01.811Z","modified":"2024-08-02T08:21:17.158Z","cvss":[{"version":"3.0","score":8.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-840"],"updated_at":"2026-11-02T14:35:25.095989Z"}],"euvd":[{"id":"EUVD-2023-58282","description":"H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.","status":"published","published":"2023-11-16T16:07:01Z","modified":"2024-08-02T08:21:17Z","cvss":[{"version":"3.0","score":8.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T03:50:11.066935Z"}],"ghsa":[{"id":"GHSA-pwcm-766j-45vc","title":"H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over...","description":"H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.","status":"published","published":"2023-11-16T18:30:31Z","modified":"2023-11-16T18:30:32Z","cvss":[{"version":"3.0","score":8.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T14:55:03.407736Z"}],"nvd":[{"id":"CVE-2023-6017","description":"H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.","status":"published","published":"2023-11-16T17:15:08.643Z","modified":"2026-06-17T06:49:51.603Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"3.0","score":8.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-840"],"updated_at":"2026-11-02T14:08:47.966245Z"}]}}