CVE-2007-2243

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"2A7154C4-8325-4495-92B1-B7897CD7303E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled, allows remote attackers to determine the existence of user accounts by attempting to authenticate via S/KEY, which displays a different response if the user account exists, a similar issue to CVE-2001-1483."}, {"lang": "es", "value": "OpenSSH 4.6 y anteriores, cuando ChallengeResponseAuthentication est\u00e1 habilitado, permite a atacantes remotos determinar la existencia de cuentas de usuario intentando autenticarse mediante S/KEY, lo cual muestra una respuesta diferente si la cuenta de usuario existe, un problema similar a CVE-2001-1483."}], "id": "CVE-2007-2243", "lastModified": "2026-06-16T22:39:12.640", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2007-04-25T16:19:00.000", "references": [{"source": "cve@mitre.org", "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053906.html"}, {"source": "cve@mitre.org", "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053951.html"}, {"source": "cve@mitre.org", "url": "http://securityreason.com/securityalert/2631"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/34600"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/23601"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/33794"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20191107-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053906.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053951.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securityreason.com/securityalert/2631"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/34600"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/23601"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/33794"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20191107-0003/"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "Not vulnerable. OpenSSH supplied with Red Hat Enterprise Linux 2.1, 3, 4, and 5 does not contain S/KEY support.", "lastModified": "2007-05-23T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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