{"id":"CVE-2001-0572","aliases":["EUVD-2001-0564","GHSA-m5hh-422h-x5pc"],"status":"published","title":"The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various...","description":"The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various weaknesses which can allow a remote attacker to obtain the following information via sniffing: (1) password lengths or ranges of lengths, which simplifies brute force password guessing, (2) whether RSA or DSA authentication is being used, (3) the number of authorized_keys in RSA authentication, or (4) the lengths of shell commands.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07051,"percentile":0.9424,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-07-27T04:00:00Z","modified":"2026-06-16T21:54:33Z","products":[{"vendor":"openbsd","product":"openssh"},{"vendor":"ssh","product":"ssh"}],"references":[{"url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-033.php3","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2001-033.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor Advisory"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2001-03/0225.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000391","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred","Vendor Advisory"]},{"url":"http://www.kb.cert.org/vuls/id/596827","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0572"},{"url":"https://github.com/advisories/GHSA-m5hh-422h-x5pc"}],"sources":{"cve":[{"id":"CVE-2001-0572","description":"The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various weaknesses which can allow a remote attacker to obtain the following information via sniffing: (1) password lengths or ranges of lengths, which simplifies brute force password guessing, (2) whether RSA or DSA authentication is being used, (3) the number of authorized_keys in RSA authentication, or (4) the lengths of shell commands.","status":"published","published":"2001-07-27T04:00:00Z","modified":"2024-08-08T04:21:38.923Z","updated_at":"2026-11-02T14:34:43.358691Z"}],"euvd":[{"id":"EUVD-2001-0564","description":"The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various weaknesses which can allow a remote attacker to obtain the following information via sniffing: (1) password lengths or ranges of lengths, which simplifies brute force password guessing, (2) whether RSA or DSA authentication is being used, (3) the number of authorized_keys in RSA authentication, or (4) the lengths of shell commands.","status":"published","published":"2001-07-27T04:00:00Z","modified":"2024-08-08T04:21:38Z","updated_at":"2026-11-03T01:14:51.137272Z"}],"ghsa":[{"id":"GHSA-m5hh-422h-x5pc","title":"The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various...","description":"The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various weaknesses which can allow a remote attacker to obtain the following information via sniffing: (1) password lengths or ranges of lengths, which simplifies brute force password guessing, (2) whether RSA or DSA authentication is being used, (3) the number of authorized_keys in RSA authentication, or (4) the lengths of shell commands.","status":"published","published":"2022-04-30T18:16:19Z","modified":"2023-01-30T05:05:38Z","updated_at":"2026-11-02T14:47:19.332628Z"}],"nvd":[{"id":"CVE-2001-0572","description":"The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various weaknesses which can allow a remote attacker to obtain the following information via sniffing: (1) password lengths or ranges of lengths, which simplifies brute force password guessing, (2) whether RSA or DSA authentication is being used, (3) the number of authorized_keys in RSA authentication, or (4) the lengths of shell commands.","status":"published","published":"2001-08-22T04:00:00Z","modified":"2026-06-16T21:54:33.523Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:40.572315Z"}]}}