{"schemaVersion":3,"id":"CVE-2013-5710","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with certain permissions to bypass access restrictions via a hardlink in a nullfs instance to a file in a different instance.","dates":{"published":"2013-09-23T20:00:00.000Z","modified":"2024-08-06T17:22:30.919Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":3.7,"severity":"low","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:L/AC:H/Au:N/C:P/I:P/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":3.7,"severity":"low","vector":"AV:L/AC:H/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00294,"percentile":0.20738,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00294},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00294,"percentile":0.20738}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00294,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00294,"percentile":0.20738}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-264","name":"Permissions, Privileges, and Access Controls","description":"Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.","type":"category","status":"Obsolete","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/264.html"}],"affected":[{"vendor":"freebsd","product":"freebsd","name":"freebsd","label":"freebsd","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"8.0","noFixRecorded":false,"fixedIn":null},{"text":"8.3","noFixRecorded":false,"fixedIn":null},{"text":"8.4","noFixRecorded":false,"fixedIn":null},{"text":"9.0","noFixRecorded":false,"fixedIn":null},{"text":"9.1","noFixRecorded":false,"fixedIn":null},{"text":"9.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.0 | 8.3 | 8.4 | 9.0 | 9.1 | 9.2","eol":{"isEol":true,"eolDate":"2010-11-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"8.0","label":"releng/8.0","eolFrom":"2010-11-30T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"freebsd","label":"FreeBSD","category":"os"}},"hubHref":"/vendor/freebsd/freebsd"}],"affectedCount":1,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://secunia.com/advisories/54861","label":"secunia.com/advisories/54861","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://www.securitytracker.com/id/1029015","label":"www.securitytracker.com/id/1029015","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK"]},{"url":"http://www.debian.org/security/2013/dsa-2769","label":"www.debian.org/security/2013/dsa-2769","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"http://www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.asc","label":"www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.asc","hostname":"www.freebsd.org","tags":["Vendor Advisory","X Refsource FREEBSD"]},{"url":"http://svnweb.freebsd.org/base?view=revision&revision=255442","label":"svnweb.freebsd.org/base?view=revision&revision=255442","hostname":"svnweb.freebsd.org","tags":["X Refsource CONFIRM"]}],"lineage":{"upstream":[],"downstream":["DSA-2769-1"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2013-09-23T20:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T17:22:30.919Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":15,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T10:46:57.848Z","stale":false,"partial":false}}