{"id":"CVE-2020-12651","aliases":["EUVD-2020-4950","GHSA-qqjx-v7vc-77w8"],"status":"published","title":"SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow...","description":"SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX.","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":"2026-11-11","score":0.06603,"percentile":0.93934,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2020-05-15T17:31:50Z","modified":"2026-06-17T02:52:04Z","products":[{"vendor":"vandyke","product":"securecrt"}],"references":[{"url":"https://www.vandyke.com/support/advisory/index.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://twitter.com/taviso/status/1261079774190919680","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=2033","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.vandyke.com/products/securecrt/history.txt","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12651"},{"url":"https://github.com/advisories/GHSA-qqjx-v7vc-77w8"}],"sources":{"cve":[{"id":"CVE-2020-12651","description":"SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX.","status":"published","published":"2020-05-15T17:31:50Z","modified":"2024-08-04T12:04:22.534Z","updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4950","description":"SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX.","status":"published","published":"2020-05-15T17:31:50Z","modified":"2024-08-04T12:04:22Z","updated_at":"2026-11-03T03:07:39.896975Z"}],"ghsa":[{"id":"GHSA-qqjx-v7vc-77w8","title":"SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow...","description":"SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX.","status":"published","published":"2022-05-24T17:17:58Z","modified":"2023-01-29T05:02:33Z","cwes":["CWE-190"],"updated_at":"2026-11-02T14:45:07.130995Z"}],"nvd":[{"id":"CVE-2020-12651","description":"SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX.","status":"published","published":"2020-05-15T18:15:13.51Z","modified":"2026-06-17T02:52:04.44Z","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":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:06:00.784809Z"}]}}