{"id":"CVE-2002-0083","aliases":["EUVD-2002-0083","GHSA-w9fg-77jf-ghf9"],"status":"published","title":"Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote...","description":"Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote malicious servers to gain privileges.","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":"2026-11-08","score":0.14688,"percentile":0.96687,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-193"],"published":"2002-03-15T05:00:00Z","modified":"2026-06-16T21:56:44Z","exploits":[{"source":"exploitdb","id":"EDB-21314","title":"OpenSSH 2.x/3.0.1/3.0.2 - Channel Code Off-by-One","type":"remote","platform":"unix","date":"2002-03-07","verified":true,"url":"https://www.exploit-db.com/exploits/21314"}],"products":[{"vendor":"conectiva","product":"linux"},{"vendor":"engardelinux","product":"secure_linux"},{"vendor":"immunix","product":"immunix"},{"vendor":"mandrakesoft","product":"mandrake_linux"},{"vendor":"mandrakesoft","product":"mandrake_linux_corporate_server"},{"vendor":"mandrakesoft","product":"mandrake_single_network_firewall"},{"vendor":"openbsd","product":"openssh"},{"vendor":"openpkg","product":"openpkg"},{"vendor":"redhat","product":"linux"},{"vendor":"suse","product":"suse_linux"},{"vendor":"trustix","product":"secure_linux"}],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-03/0108.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Broken Link"]},{"url":"ftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.10/CSSA-2002-SCO.10.txt","tags":["vendor-advisory","x_refsource_CALDERA","x_transferred","Broken Link"]},{"url":"http://www.osvdb.org/730","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/bid/4241","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101561384821761\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List"]},{"url":"ftp://stage.caldera.com/pub/security/openunix/CSSA-2002-SCO.11/CSSA-2002-SCO.11.txt","tags":["vendor-advisory","x_refsource_CALDERA","x_transferred","Broken Link"]},{"url":"http://online.securityfocus.com/advisories/3960","tags":["vendor-advisory","x_refsource_HP","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.debian.org/security/2002/dsa-119","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Broken Link","Vendor Advisory"]},{"url":"http://www.novell.com/linux/security/advisories/2002_009_openssh_txt.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Broken Link"]},{"url":"http://www.calderasystems.com/support/security/advisories/CSSA-2002-012.0.txt","tags":["vendor-advisory","x_refsource_CALDERA","x_transferred","Broken Link"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101586991827622\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List","Patch"]},{"url":"http://www.linuxsecurity.com/advisories/other_advisory-1937.html","tags":["vendor-advisory","x_refsource_ENGARDE","x_transferred","Broken Link","Patch","Vendor Advisory"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000467","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred","Broken Link"]},{"url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-004.txt.asc","tags":["vendor-advisory","x_refsource_NETBSD","x_transferred","Broken Link"]},{"url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:13.openssh.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","Broken Link"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101553908201861\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101552065005254\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List"]},{"url":"http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-019.php","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred","Broken Link"]},{"url":"http://www.redhat.com/support/errata/RHSA-2002-043.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Broken Link"]},{"url":"http://www.iss.net/security_center/static/8383.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Broken Link"]},{"url":"http://www.openbsd.org/advisories/ssh_channelalloc.txt","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://online.securityfocus.com/archive/1/264657","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://archives.neohapsis.com/archives/vulnwatch/2002-q1/0060.html","tags":["mailing-list","x_refsource_VULNWATCH","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0083"},{"url":"https://github.com/advisories/GHSA-w9fg-77jf-ghf9"}],"sources":{"cve":[{"id":"CVE-2002-0083","description":"Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote malicious servers to gain privileges.","status":"published","published":"2002-06-25T04:00:00Z","modified":"2024-08-08T02:35:17.574Z","updated_at":"2026-11-02T14:33:55.303902Z"}],"euvd":[{"id":"EUVD-2002-0083","description":"Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote malicious servers to gain privileges.","status":"published","published":"2002-06-25T04:00:00Z","modified":"2024-08-08T02:35:17Z","updated_at":"2026-11-03T01:15:02.530408Z"}],"ghsa":[{"id":"GHSA-w9fg-77jf-ghf9","title":"Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote...","description":"Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote malicious servers to gain privileges.","status":"published","published":"2022-05-03T03:07:48Z","modified":"2023-02-01T05:01:00Z","updated_at":"2026-11-02T14:49:38.712812Z"}],"nvd":[{"id":"CVE-2002-0083","description":"Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote malicious servers to gain privileges.","status":"published","published":"2002-03-15T05:00:00Z","modified":"2026-06-16T21:56:44.27Z","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-193"],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}