{"api_version":"1","generated_at":"2026-07-23T04:53:20+00:00","cve":"CVE-2001-0572","urls":{"html":"https://cve.report/CVE-2001-0572","api":"https://cve.report/api/cve/CVE-2001-0572.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2001-0572","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2001-0572"},"summary":{"title":"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.","state":"PUBLISHED","assigner":"mitre","published_at":"2001-08-22 04:00:00","updated_at":"2025-04-03 01:03:51"},"problem_types":["NVD-CWE-Other","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"7.5","severity":"","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"}}],"references":[{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000391","name":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000391","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"Home - Conectiva","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.kb.cert.org/vuls/id/596827","name":"http://www.kb.cert.org/vuls/id/596827","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["US Government Resource"],"title":"CERT/CC Vulnerability Note VU#596827","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2001-03/0225.html","name":"http://archives.neohapsis.com/archives/bugtraq/2001-03/0225.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Vendor Advisory"],"title":"","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-033.php3","name":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-033.php3","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"MandrakeSoft Security Advisory MDKSA-2001:033 : openssh","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"http://www.redhat.com/support/errata/RHSA-2001-033.html","name":"http://www.redhat.com/support/errata/RHSA-2001-033.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"redhat.com | Red Hat Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2001-0572","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0572","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2001","cve_id":"572","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"openbsd","cpe5":"openssh","cpe6":"4.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"572","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ssh","cpe5":"ssh","cpe6":"1.2.24","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"572","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ssh","cpe5":"ssh","cpe6":"1.2.25","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"572","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ssh","cpe5":"ssh","cpe6":"1.2.26","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"572","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ssh","cpe5":"ssh","cpe6":"1.2.27","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"572","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ssh","cpe5":"ssh","cpe6":"1.2.28","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"572","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ssh","cpe5":"ssh","cpe6":"1.2.29","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"572","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ssh","cpe5":"ssh","cpe6":"1.2.30","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"572","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ssh","cpe5":"ssh","cpe6":"1.2.31","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-08T04:21:38.923Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"MDKSA-2001:033","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred"],"url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-033.php3"},{"name":"RHSA-2001:033","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"],"url":"http://www.redhat.com/support/errata/RHSA-2001-033.html"},{"name":"20010318 Passive Analysis of SSH (Secure Shell) Traffic","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"],"url":"http://archives.neohapsis.com/archives/bugtraq/2001-03/0225.html"},{"name":"CLA-2001:391","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred"],"url":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000391"},{"name":"VU#596827","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred"],"url":"http://www.kb.cert.org/vuls/id/596827"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2001-03-18T00:00:00.000Z","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2002-02-20T10:00:00.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"MDKSA-2001:033","tags":["vendor-advisory","x_refsource_MANDRAKE"],"url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-033.php3"},{"name":"RHSA-2001:033","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"http://www.redhat.com/support/errata/RHSA-2001-033.html"},{"name":"20010318 Passive Analysis of SSH (Secure Shell) Traffic","tags":["mailing-list","x_refsource_BUGTRAQ"],"url":"http://archives.neohapsis.com/archives/bugtraq/2001-03/0225.html"},{"name":"CLA-2001:391","tags":["vendor-advisory","x_refsource_CONECTIVA"],"url":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000391"},{"name":"VU#596827","tags":["third-party-advisory","x_refsource_CERT-VN"],"url":"http://www.kb.cert.org/vuls/id/596827"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2001-0572","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"MDKSA-2001:033","refsource":"MANDRAKE","url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-033.php3"},{"name":"RHSA-2001:033","refsource":"REDHAT","url":"http://www.redhat.com/support/errata/RHSA-2001-033.html"},{"name":"20010318 Passive Analysis of SSH (Secure Shell) Traffic","refsource":"BUGTRAQ","url":"http://archives.neohapsis.com/archives/bugtraq/2001-03/0225.html"},{"name":"CLA-2001:391","refsource":"CONECTIVA","url":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000391"},{"name":"VU#596827","refsource":"CERT-VN","url":"http://www.kb.cert.org/vuls/id/596827"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2001-0572","datePublished":"2001-07-27T04:00:00.000Z","dateReserved":"2001-07-27T00:00:00.000Z","dateUpdated":"2024-08-08T04:21:38.923Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2001-08-22 04:00:00","lastModifiedDate":"2025-04-03 01:03:51","problem_types":["NVD-CWE-Other","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":true,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openbsd:openssh:4.5:*:*:*:*:*:*:*","matchCriteriaId":"9B72CFB3-39C7-469C-AA59-69F5B8993BF7"},{"vulnerable":true,"criteria":"cpe:2.3:a:ssh:ssh:1.2.24:*:*:*:*:*:*:*","matchCriteriaId":"B0EDBA45-FDEE-4D4B-A6FF-7E953B523DAE"},{"vulnerable":true,"criteria":"cpe:2.3:a:ssh:ssh:1.2.25:*:*:*:*:*:*:*","matchCriteriaId":"7AF5BDEF-E86B-4F4D-AF6D-B27044A96B1E"},{"vulnerable":true,"criteria":"cpe:2.3:a:ssh:ssh:1.2.26:*:*:*:*:*:*:*","matchCriteriaId":"7D0FF07F-E13B-425F-9892-C50B326B2944"},{"vulnerable":true,"criteria":"cpe:2.3:a:ssh:ssh:1.2.27:*:*:*:*:*:*:*","matchCriteriaId":"338EDA76-05D6-48C0-952E-6244A5F206F3"},{"vulnerable":true,"criteria":"cpe:2.3:a:ssh:ssh:1.2.28:*:*:*:*:*:*:*","matchCriteriaId":"F719468E-A218-4EB5-9F8D-7841E84F44C8"},{"vulnerable":true,"criteria":"cpe:2.3:a:ssh:ssh:1.2.29:*:*:*:*:*:*:*","matchCriteriaId":"1E4FCD36-0009-4A93-A190-8FDD11C672CA"},{"vulnerable":true,"criteria":"cpe:2.3:a:ssh:ssh:1.2.30:*:*:*:*:*:*:*","matchCriteriaId":"71727854-1B75-465F-AF8C-DFE6EFF46B40"},{"vulnerable":true,"criteria":"cpe:2.3:a:ssh:ssh:1.2.31:*:*:*:*:*:*:*","matchCriteriaId":"64B76EA2-D3A6-4751-ADE6-998C2A7B44FA"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2001","CveId":"572","Ordinal":"1","Title":"CVE-2001-0572","CVE":"CVE-2001-0572","Year":"2001"},"notes":[{"CveYear":"2001","CveId":"572","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"CVE-2001-0572"},{"CveYear":"2001","CveId":"572","Ordinal":"2","NoteData":"2001-07-27","Type":"Other","Title":"Published"},{"CveYear":"2001","CveId":"572","Ordinal":"3","NoteData":"2002-02-20","Type":"Other","Title":"Modified"}]}}}