{"id":"CVE-2020-18440","aliases":["EUVD-2020-10364","GHSA-g4j9-xc4c-6pmc"],"status":"published","title":"Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to...","description":"Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to execute arbitrary code.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01659,"percentile":0.76853,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-11-02T17:44:59Z","modified":"2026-06-17T02:59:19Z","products":[{"vendor":"phpok","product":"phpok"}],"references":[{"url":"https://github.com/qinggan/phpok/issues/4","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18440"},{"url":"https://github.com/advisories/GHSA-g4j9-xc4c-6pmc"}],"sources":{"cve":[{"id":"CVE-2020-18440","description":"Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to execute arbitrary code.","status":"published","published":"2021-11-02T17:44:59Z","modified":"2024-08-04T14:00:49.281Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10364","description":"Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to execute arbitrary code.","status":"published","published":"2021-11-02T17:44:59Z","modified":"2024-08-04T14:00:49Z","updated_at":"2026-11-03T03:07:26.397496Z"}],"ghsa":[{"id":"GHSA-g4j9-xc4c-6pmc","title":"Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to...","description":"Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to execute arbitrary code.","status":"published","published":"2022-05-24T19:19:27Z","modified":"2023-01-30T05:03:33Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:46:51.868413Z"}],"nvd":[{"id":"CVE-2020-18440","description":"Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to execute arbitrary code.","status":"published","published":"2021-11-02T18:15:07.913Z","modified":"2026-06-17T02:59:19.22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:45.704484Z"}]}}