{"id":"CVE-2023-43620","aliases":["EUVD-2023-2400","GHSA-364c-vvqx-446c","GO-2023-2068"],"status":"published","title":"Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device","description":"An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00365,"percentile":0.30743,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-116"],"published":"2023-09-20T00:00:00Z","modified":"2026-11-04T10:45:20Z","fixes":[{"ecosystem":"Go","package":"github.com/schollz/croc/v9","fixed_in":["9.6.16"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/schollz/croc/v9","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.6.16"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc/v9","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"9.6.16"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc/v6","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc/v9","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"9.6.16"}]}]}],"products":[{"vendor":"schollz","product":"croc"}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2023/09/08/2","tags":["x_transferred","Exploit","Mailing List","Third Party Advisory","web"]},{"url":"https://github.com/schollz/croc/issues/595","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"http://www.openwall.com/lists/oss-security/2023/09/21/5","tags":["mailing-list","x_transferred","Mailing List","article","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43620","tags":["advisory"]},{"url":"https://github.com/schollz/croc/pull/697","tags":["web","fix"]},{"url":"https://github.com/schollz/croc/commit/3f12f75fae2e844c555ec01eeba0b8474938e93a","tags":["web","fix"]},{"url":"https://github.com/advisories/GHSA-364c-vvqx-446c","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43620.json","tags":["advisory"]},{"url":"https://github.com/schollz/croc","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-43620","description":"An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.","status":"published","published":"2023-09-20T00:00:00Z","modified":"2024-09-24T19:16:40.037Z","updated_at":"2026-11-02T14:35:14.633899Z"}],"euvd":[{"id":"EUVD-2023-2400","description":"An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.","status":"published","published":"2023-09-20T00:00:00Z","modified":"2024-09-24T19:16:40Z","updated_at":"2026-11-03T00:28:14.929509Z"}],"ghsa":[{"id":"GHSA-364c-vvqx-446c","title":"Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device","description":"An issue was discovered in Croc before 9.6.16. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver. ","status":"published","published":"2023-09-20T06:30:50Z","modified":"2024-05-21T18:15:13Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:37:51.549437Z"}],"nvd":[{"id":"CVE-2023-43620","description":"An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.","status":"published","published":"2023-09-20T06:15:10.87Z","modified":"2026-06-17T06:26:05.16Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:08:29.595868Z"}],"osv":[{"id":"GHSA-364c-vvqx-446c","title":"Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device","description":"An issue was discovered in Croc before 9.6.16. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver. ","status":"published","published":"2023-09-20T06:30:50Z","modified":"2026-09-10T03:50:03.177529293Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T15:46:35.406455Z"},{"id":"CVE-2023-43620","description":"An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.","status":"published","published":"2023-09-20T00:00:00Z","modified":"2026-11-04T10:45:20.165052024Z","updated_at":"2026-11-04T11:07:20.833685Z"},{"id":"GO-2023-2068","title":"Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device in github.com/schollz/croc","description":"Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device in github.com/schollz/croc","status":"published","published":"2024-08-21T14:30:18Z","modified":"2026-02-04T04:30:31.432543Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}