{"id":"CVE-2013-10065","aliases":["EUVD-2013-7279","GHSA-r9wj-gm7p-2529"],"status":"published","title":"Sysax Multi-Server \u003c= 6.10 SSHD Key Exchange DoS","description":"A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (\\x28) in place of the expected SSH protocol delimiter.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0194,"percentile":0.80264,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-248"],"published":"2025-08-05T20:05:06Z","modified":"2026-06-16T23:50:38Z","exploits":[{"source":"metasploit","id":"auxiliary/dos/windows/ssh/sysax_sshd_kexchange","title":"Sysax Multi-Server 6.10 SSHD Key Exchange Denial of Service","type":"auxiliary","date":"2013-03-17","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/dos/windows/ssh/sysax_sshd_kexchange"}],"products":[{"vendor":"sysax","product":"multi_server"},{"vendor":"sysax software","product":"multi-server"}],"references":[{"url":"https://www.mattandreko.com/2013/04/08/sysax-multi-server-6.10-ssh-dos/","tags":["technical-description","exploit","Exploit","Third Party Advisory"]},{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ssh/sysax_sshd_kexchange.rb","tags":["exploit","Exploit"]},{"url":"https://www.sysax.com/","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/sysax-multi-server-sshd-key-exchange-dos","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-10065"},{"url":"https://www.mattandreko.com/2013/04/08/sysax-multi-server-6.10-ssh-dos"},{"url":"https://www.sysax.com"},{"url":"https://github.com/advisories/GHSA-r9wj-gm7p-2529"}],"sources":{"cve":[{"id":"CVE-2013-10065","title":"Sysax Multi-Server \u003c= 6.10 SSHD Key Exchange DoS","description":"A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (\\x28) in place of the expected SSH protocol delimiter.","status":"published","published":"2025-08-05T20:05:06.769Z","modified":"2025-11-21T00:20:54.941Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:34:55.825574Z"}],"euvd":[{"id":"EUVD-2013-7279","description":"A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (\\x28) in place of the expected SSH protocol delimiter.","status":"published","published":"2025-08-05T20:05:06Z","modified":"2025-11-21T00:20:54Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:49:14.058235Z"}],"ghsa":[{"id":"GHSA-r9wj-gm7p-2529","title":"A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A...","description":"A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (\\x28) in place of the expected SSH protocol delimiter.","status":"published","published":"2025-08-05T21:31:38Z","modified":"2025-10-02T18:30:57Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T15:03:50.19975Z"}],"nvd":[{"id":"CVE-2013-10065","description":"A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (\\x28) in place of the expected SSH protocol delimiter.","status":"published","published":"2025-08-05T20:15:35.087Z","modified":"2026-06-16T23:50:38.15Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:02:52.934105Z"}]}}