{"id":"CVE-2001-0554","aliases":["EUVD-2001-0546","GHSA-cxg3-hwc8-9mx4"],"status":"published","title":"Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote...","description":"Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.38748,"percentile":0.98593,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-120"],"published":"2001-08-14T04:00:00Z","modified":"2026-06-16T21:54:31Z","exploits":[{"source":"exploitdb","id":"EDB-21018","title":"Solaris 2.x/7.0/8 / IRIX 6.5.x / OpenBSD 2.x / NetBSD 1.x / Debian 3 / HP-UX 10 - 'TelnetD' Remote Buffer Overflow","type":"remote","platform":"unix","date":"2001-07-18","verified":true,"url":"https://www.exploit-db.com/exploits/21018"}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"freebsd","product":"freebsd"},{"vendor":"ibm","product":"aix"},{"vendor":"mit","product":"kerberos"},{"vendor":"mit","product":"kerberos_5"},{"vendor":"netbsd","product":"netbsd"},{"vendor":"netkit","product":"linux_netkit"},{"vendor":"openbsd","product":"openbsd"},{"vendor":"sgi","product":"irix"},{"vendor":"sun","product":"solaris"},{"vendor":"sun","product":"sunos"}],"references":[{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000413","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred","Broken Link"]},{"url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-068.php3","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred","Broken Link"]},{"url":"http://www.ciac.org/ciac/bulletins/l-131.shtml","tags":["third-party-advisory","government-resource","x_refsource_CIAC","x_transferred","Broken Link"]},{"url":"http://ftp.support.compaq.com/patches/.new/html/SSRT0745U.shtml","tags":["vendor-advisory","x_refsource_COMPAQ","x_transferred","Broken Link"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6875","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.osvdb.org/809","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://online.securityfocus.com/advisories/3476","tags":["vendor-advisory","x_refsource_IBM","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://online.securityfocus.com/archive/1/199496","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://online.securityfocus.com/archive/1/203000","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/3064","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch","Third Party Advisory","VDB Entry","Vendor Advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2001-100.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory"]},{"url":"http://www.novell.com/linux/security/advisories/2001_029_nkitb_txt.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Broken Link"]},{"url":"ftp://stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.10/CSSA-2001-SCO.10.txt","tags":["vendor-advisory","x_refsource_CALDERA","x_transferred","Broken Link"]},{"url":"http://www.redhat.com/support/errata/RHSA-2001-099.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party 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in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-08T04:21:38.679Z","updated_at":"2026-11-02T14:34:43.032065Z"}],"euvd":[{"id":"EUVD-2001-0546","description":"Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-08T04:21:38Z","updated_at":"2026-11-03T01:14:51.137272Z"}],"ghsa":[{"id":"GHSA-cxg3-hwc8-9mx4","title":"Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote...","description":"Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function.","status":"published","published":"2022-05-03T03:07:09Z","modified":"2023-02-01T05:01:00Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:49:38.712812Z"}],"nvd":[{"id":"CVE-2001-0554","description":"Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function.","status":"published","published":"2001-08-14T04:00:00Z","modified":"2026-06-16T21:54:31.283Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:00:40.572315Z"}]}}