{"id":"CVE-2019-25741","aliases":["EUVD-2019-20177","GHSA-288f-q89m-r9qr"],"status":"published","title":"Mobatek MobaXterm 12.1 Buffer Overflow via Sessions File","description":"Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow vulnerability in the username field of session files that allows remote attackers to execute arbitrary code. Attackers can craft a malicious MobaXterm sessions file with overflow data that triggers the vulnerability when imported and executed, enabling reverse shell execution with user privileges.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00638,"percentile":0.50869,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2026-06-04T13:22:45Z","modified":"2026-07-28T01:47:02Z","products":[{"vendor":"mobatek","product":"mobatek mobaxterm"}],"references":[{"url":"https://www.exploit-db.com/exploits/47429","tags":["exploit"]},{"url":"https://download.mobatek.net/1112019010310554/MobaXterm_Portable_v11.1.zip","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/mobatek-mobaxterm-buffer-overflow-via-sessions-file","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-25741"},{"url":"https://github.com/advisories/GHSA-288f-q89m-r9qr"}],"sources":{"cve":[{"id":"CVE-2019-25741","title":"Mobatek MobaXterm 12.1 Buffer Overflow via Sessions File","description":"Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow vulnerability in the username field of session files that allows remote attackers to execute arbitrary code. Attackers can craft a malicious MobaXterm sessions file with overflow data that triggers the vulnerability when imported and executed, enabling reverse shell execution with user privileges.","status":"published","published":"2026-06-04T13:22:45.443Z","modified":"2026-07-28T01:47:02.439Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"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":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:20:19.737165Z"}],"euvd":[{"id":"EUVD-2019-20177","description":"Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow vulnerability in the username field of session files that allows remote attackers to execute arbitrary code. Attackers can craft a malicious MobaXterm sessions file with overflow data that triggers the vulnerability when imported and executed, enabling reverse shell execution with user privileges.","status":"published","published":"2026-06-04T13:22:45Z","modified":"2026-07-28T01:47:02Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:02:32.984181Z"}],"ghsa":[{"id":"GHSA-288f-q89m-r9qr","title":"Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow...","description":"Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow vulnerability in the username field of session files that allows remote attackers to execute arbitrary code. Attackers can craft a malicious MobaXterm sessions file with overflow data that triggers the vulnerability when imported and executed, enabling reverse shell execution with user privileges.","status":"published","published":"2026-06-04T15:30:39Z","modified":"2026-06-04T15:30:47Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"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"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:08:32.060893Z"}],"nvd":[{"id":"CVE-2019-25741","description":"Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow vulnerability in the username field of session files that allows remote attackers to execute arbitrary code. Attackers can craft a malicious MobaXterm sessions file with overflow data that triggers the vulnerability when imported and executed, enabling reverse shell execution with user privileges.","status":"published","published":"2026-06-04T14:16:32.787Z","modified":"2026-07-22T20:10:00.127Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","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":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:50.275357Z"}]}}