{"api_version":"1","generated_at":"2026-04-22T22:48:17+00:00","cve":"CVE-2011-2500","urls":{"html":"https://cve.report/CVE-2011-2500","api":"https://cve.report/api/cve/CVE-2011-2500.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2011-2500","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-2500"},"summary":{"title":"CVE-2011-2500","description":"The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2014-02-15 14:57:00","updated_at":"2014-03-06 04:30:00"},"problem_types":["CWE-264"],"metrics":[],"references":[{"url":"http://marc.info/?l=linux-nfs&m=130875695821953&w=2","name":"[linux-nfs] 20110622 [PATCH] nfs: fix host_reliable_addrinfo (try #2)","refsource":"MLIST","tags":[],"title":"'[PATCH] nfs: fix host_reliable_addrinfo (try #2)' - MARC","mime":"text/x-diff","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=716949","name":"https://bugzilla.redhat.com/show_bug.cgi?id=716949","refsource":"CONFIRM","tags":[],"title":"716949 – (CVE-2011-2500) CVE-2011-2500 nfs-utils: Improper authentication of an incoming request when an IP based authentication used","mime":"text/html","httpstatus":"200","archivestatus":"503"},{"url":"http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download","name":"http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download","refsource":"CONFIRM","tags":[],"title":"Download NFS from SourceForge.net","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://rhn.redhat.com/errata/RHSA-2011-1534.html","name":"RHSA-2011:1534","refsource":"REDHAT","tags":[],"title":"access.redhat.com","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/","name":"http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/","refsource":"CONFIRM","tags":[],"title":"NFS -  Browse /nfs-utils/1.2.4 at SourceForge.net","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2500","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2500","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2011","cve_id":"2500","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"linux-nfs","cpe5":"nfs-utils","cpe6":"1.2.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2500","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"linux-nfs","cpe5":"nfs-utils","cpe6":"1.2.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2500","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"linux-nfs","cpe5":"nfs-utils","cpe6":"1.2.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2500","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"linux-nfs","cpe5":"nfs-utils","cpe6":"1.2.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2500","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"linux-nfs","cpe5":"nfs-utils","cpe6":"1.2.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2500","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"linux-nfs","cpe5":"nfs-utils","cpe6":"1.2.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2500","vulnerable":"1","versionEndIncluding":"1.2.3","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"linux-nfs","cpe5":"nfs-utils","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2011-2500","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_affected":"=","version_value":"n/a"}]}}]}}]}},"references":{"reference_data":[{"url":"http://rhn.redhat.com/errata/RHSA-2011-1534.html","refsource":"MISC","name":"http://rhn.redhat.com/errata/RHSA-2011-1534.html"},{"url":"http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download","refsource":"MISC","name":"http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download"},{"url":"http://marc.info/?l=linux-nfs&m=130875695821953&w=2","refsource":"MISC","name":"http://marc.info/?l=linux-nfs&m=130875695821953&w=2"},{"url":"http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/","refsource":"MISC","name":"http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=716949","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=716949"}]}},"nvd":{"publishedDate":"2014-02-15 14:57:00","lastModifiedDate":"2014-03-06 04:30:00","problem_types":["CWE-264"],"metrics":{"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:linux-nfs:nfs-utils:*:*:*:*:*:*:*:*","versionEndIncluding":"1.2.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:linux-nfs:nfs-utils:1.2.2:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:linux-nfs:nfs-utils:1.2.1:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:linux-nfs:nfs-utils:1.2.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2011","CveId":"2500","Ordinal":"49705","Title":"CVE-2011-2500","CVE":"CVE-2011-2500","Year":"2011"},"notes":[{"CveYear":"2011","CveId":"2500","Ordinal":"1","NoteData":"The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.","Type":"Description","Title":null},{"CveYear":"2011","CveId":"2500","Ordinal":"2","NoteData":"2014-02-15","Type":"Other","Title":"Published"},{"CveYear":"2011","CveId":"2500","Ordinal":"3","NoteData":"2014-02-26","Type":"Other","Title":"Modified"}]}}}