{"id":"CVE-2012-10060","aliases":["EUVD-2012-6601","GHSA-74gq-wvgf-56v7"],"status":"published","title":"Sysax Multi Server \u003c 5.55 SSH Username Buffer Overflow","description":"Sysax Multi Server versions prior to 5.55 contain a stack-based buffer overflow in its SSH service. When a remote attacker supplies an overly long username during authentication, the server copies the input to a fixed-size stack buffer without proper bounds checking. This allows remote code execution under the context of the service.","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":"2026-11-08","score":0.04742,"percentile":0.91926,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-121"],"published":"2025-08-13T20:53:55Z","modified":"2026-06-16T23:38:46Z","exploits":[{"source":"metasploit","id":"exploit/windows/ssh/sysax_ssh_username","title":"Sysax 5.53 SSH Username Buffer Overflow","type":"exploit","platform":"Windows","date":"2012-02-27","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/ssh/sysax_ssh_username"}],"products":[{"vendor":"sysax","product":"multi_server"},{"vendor":"sysax software","product":"multi server"}],"references":[{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ssh/sysax_ssh_username.rb","tags":["exploit","Exploit","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/18535","tags":["exploit","Exploit","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/18557","tags":["exploit","Exploit","VDB Entry"]},{"url":"https://web.archive.org/web/20120302203344/http://www.pwnag3.com/2012/02/sysax-multi-server-ssh-username-exploit.html","tags":["technical-description","exploit","Exploit","Third Party Advisory"]},{"url":"https://advisories.checkpoint.com/defense/advisories/public/2012/cpai-23-sepc.html","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://www.sysax.com/","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/sysax-multi-server-ssh-username-buffer-overflow","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-10060"},{"url":"https://www.sysax.com"},{"url":"https://github.com/advisories/GHSA-74gq-wvgf-56v7"}],"sources":{"cve":[{"id":"CVE-2012-10060","title":"Sysax Multi Server \u003c 5.55 SSH Username Buffer Overflow","description":"Sysax Multi Server versions prior to 5.55 contain a stack-based buffer overflow in its SSH service. When a remote attacker supplies an overly long username during authentication, the server copies the input to a fixed-size stack buffer without proper bounds checking. This allows remote code execution under the context of the service.","status":"published","published":"2025-08-13T20:53:55.845Z","modified":"2026-05-26T11:51:31.342Z","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"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:34:49.937255Z"}],"euvd":[{"id":"EUVD-2012-6601","description":"Sysax Multi Server versions prior to 5.55 contain a stack-based buffer overflow in its SSH service. When a remote attacker supplies an overly long username during authentication, the server copies the input to a fixed-size stack buffer without proper bounds checking. This allows remote code execution under the context of the service.","status":"published","published":"2025-08-13T20:53:55Z","modified":"2026-05-26T11:51:31Z","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":"2026-11-02T18:21:07.775399Z"}],"ghsa":[{"id":"GHSA-74gq-wvgf-56v7","title":"Sysax Multi Server versions prior to 5.55 contains a stack-based buffer overflow in its SSH...","description":"Sysax Multi Server versions prior to 5.55 contains a stack-based buffer overflow in its SSH service. When a remote attacker supplies an overly long username during authentication, the server copies the input to a fixed-size stack buffer without proper bounds checking. This allows remote code execution under the context of the service.","status":"published","published":"2025-08-13T21:30:30Z","modified":"2025-09-24T00:30:41Z","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"},{"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"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:03:44.74353Z"}],"nvd":[{"id":"CVE-2012-10060","description":"Sysax Multi Server versions prior to 5.55 contain a stack-based buffer overflow in its SSH service. When a remote attacker supplies an overly long username during authentication, the server copies the input to a fixed-size stack buffer without proper bounds checking. This allows remote code execution under the context of the service.","status":"published","published":"2025-08-13T21:15:30.6Z","modified":"2026-06-16T23:38:46.107Z","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":"primary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:02:18.043773Z"}]}}