{"id":"CVE-2018-20352","aliases":["EUVD-2018-12910","GHSA-8fhm-6jq5-22c6"],"status":"published","title":"Use-after-free vulnerability in the mg_cgi_ev_handler function in mongoose.c in Cesanta Mongoose...","description":"Use-after-free vulnerability in the mg_cgi_ev_handler function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02725,"percentile":0.86157,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2019-06-10T16:15:42Z","modified":"2026-10-24T10:31:06Z","products":[{"vendor":"cesanta","product":"mongoose_embedded_web_server_library"}],"references":[{"url":"https://github.com/insi2304/mongoose-6.13-fuzz","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20352"},{"url":"https://github.com/advisories/GHSA-8fhm-6jq5-22c6"}],"sources":{"cve":[{"id":"CVE-2018-20352","description":"Use-after-free vulnerability in the mg_cgi_ev_handler function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.","status":"published","published":"2019-06-10T16:15:42Z","modified":"2024-08-05T11:58:19.361Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-12910","description":"Use-after-free vulnerability in the mg_cgi_ev_handler function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.","status":"published","published":"2019-06-10T16:15:42Z","modified":"2024-08-05T11:58:19Z","updated_at":"2026-11-03T02:39:30.889297Z"}],"ghsa":[{"id":"GHSA-8fhm-6jq5-22c6","title":"Use-after-free vulnerability in the mg_cgi_ev_handler function in mongoose.c in Cesanta Mongoose...","description":"Use-after-free vulnerability in the mg_cgi_ev_handler function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.","status":"published","published":"2022-05-24T16:47:41Z","modified":"2024-04-04T00:54:46Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:55:53.307931Z"}],"nvd":[{"id":"CVE-2018-20352","description":"Use-after-free vulnerability in the mg_cgi_ev_handler function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.","status":"published","published":"2019-06-10T17:29:02Z","modified":"2026-06-17T01:52:40.66Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:04:57.307075Z"}],"osv":[{"id":"CVE-2018-20352","description":"Use-after-free vulnerability in the mg_cgi_ev_handler function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.","status":"published","published":"2019-06-10T17:29:02Z","modified":"2026-10-24T10:31:06.935307305Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:09.145458Z"}]}}