{"id":"CVE-2020-7845","aliases":["EUVD-2020-28777","GHSA-c4mq-vprg-6v7w"],"status":"published","title":"Jiransecurity Spamsniper Stack-based Buffer Overflow Vulnerability","description":"Spamsniper 5.0 ~ 5.2.7 contain a stack-based buffer overflow vulnerability caused by improper boundary checks when parsing MAIL FROM command. It leads remote attacker to execute arbitrary code via crafted packet.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02796,"percentile":0.86624,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2020-12-27T01:26:36Z","modified":"2026-06-17T03:25:32Z","products":[{"vendor":"jiransecurity","product":"spamsniper"}],"references":[{"url":"https://www.jiransecurity.com/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35855","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7845"},{"url":"https://github.com/advisories/GHSA-c4mq-vprg-6v7w"}],"sources":{"cve":[{"id":"CVE-2020-7845","title":"Jiransecurity Spamsniper Stack-based Buffer Overflow Vulnerability","description":"Spamsniper 5.0 ~ 5.2.7 contain a stack-based buffer overflow vulnerability caused by improper boundary checks when parsing MAIL FROM command. It leads remote attacker to execute arbitrary code via crafted packet.","status":"published","published":"2020-12-27T01:26:36Z","modified":"2024-08-04T09:41:01.866Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-28777","description":"Spamsniper 5.0 ~ 5.2.7 contain a stack-based buffer overflow vulnerability caused by improper boundary checks when parsing MAIL FROM command. It leads remote attacker to execute arbitrary code via crafted packet.","status":"published","published":"2020-12-27T01:26:36Z","modified":"2024-08-04T09:41:01Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:07:59.058668Z"}],"ghsa":[{"id":"GHSA-c4mq-vprg-6v7w","title":"Spamsniper 5.0 ~ 5.2.7 contain a stack-based buffer overflow vulnerability caused by improper...","description":"Spamsniper 5.0 ~ 5.2.7 contain a stack-based buffer overflow vulnerability caused by improper boundary checks when parsing MAIL FROM command. It leads remote attacker to execute arbitrary code via crafted packet.","status":"published","published":"2022-05-24T17:37:30Z","modified":"2023-01-29T05:04:51Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:45:39.24589Z"}],"nvd":[{"id":"CVE-2020-7845","description":"Spamsniper 5.0 ~ 5.2.7 contain a stack-based buffer overflow vulnerability caused by improper boundary checks when parsing MAIL FROM command. It leads remote attacker to execute arbitrary code via crafted packet.","status":"published","published":"2020-12-27T02:15:14.217Z","modified":"2026-06-17T03:25:32.443Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"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-121","CWE-787"],"updated_at":"2026-11-02T14:06:28.340168Z"}]}}