{"id":"CVE-2023-39278","aliases":["EUVD-2023-43010","GHSA-g28m-wpc6-78c8"],"status":"published","title":"SonicOS post-authentication user assertion failure leads to Stack-Based Buffer Overflow...","description":"SonicOS post-authentication user assertion failure leads to Stack-Based Buffer Overflow vulnerability via main.cgi leads to a firewall crash.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00969,"percentile":0.62288,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2023-10-17T22:12:29Z","modified":"2026-11-09T14:48:14Z","products":[{"vendor":"sonicwall","product":"sonicos"}],"references":[{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0012","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39278"},{"url":"https://github.com/advisories/GHSA-g28m-wpc6-78c8"}],"sources":{"cve":[{"id":"CVE-2023-39278","description":"SonicOS post-authentication user assertion failure leads to Stack-Based Buffer Overflow vulnerability via main.cgi leads to a firewall crash.\n","status":"published","published":"2023-10-17T22:12:29.594Z","modified":"2024-09-13T16:01:51.265Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:33.462059Z"}],"euvd":[{"id":"EUVD-2023-43010","description":"SonicOS post-authentication user assertion failure leads to Stack-Based Buffer Overflow vulnerability via main.cgi leads to a firewall crash.\n","status":"published","published":"2023-10-17T22:12:29Z","modified":"2024-09-13T16:01:51Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"none"}],"updated_at":"2026-11-03T00:55:55.467153Z"}],"ghsa":[{"id":"GHSA-g28m-wpc6-78c8","title":"SonicOS post-authentication user assertion failure leads to Stack-Based Buffer Overflow...","description":"SonicOS post-authentication user assertion failure leads to Stack-Based Buffer Overflow vulnerability via main.cgi leads to a firewall crash.\n","status":"published","published":"2023-10-18T00:31:42Z","modified":"2024-04-04T08:45:21Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:57:01.229221Z"}],"nvd":[{"id":"CVE-2023-39278","description":"SonicOS post-authentication user assertion failure leads to Stack-Based Buffer Overflow vulnerability via main.cgi leads to a firewall crash.\n","status":"published","published":"2023-10-17T23:15:11.727Z","modified":"2026-11-09T14:48:14.19Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-09T16:14:49.14815Z"}]}}