{"id":"CVE-2009-3517","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-3517","generatedAt":"2026-10-27T19:39:16.673Z","title":"nfs.ext in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not properly use the nfs_portmon setting, which allows remote attackers to bypass intended access restrictions for NFSv4 shares via unspecified vectors.","description":"nfs.ext in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not properly use the nfs_portmon setting, which allows remote attackers to bypass intended access restrictions for NFSv4 shares via unspecified vectors.","published":"2009-10-01T15:30:00.000Z","lastModified":"2026-06-16T23:11:46.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":10,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C"},"cwe":[],"affected":["ibm/aix"],"epss":{"score":0.04355,"percentile":0.9117,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (4.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://aix.software.ibm.com/aix/efixes/security/nfs4_advisory.asc","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49024","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49096","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49278","source":"cve@mitre.org"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50399","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50444","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50496","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/36544","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2009/2788","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6366","source":"cve@mitre.org"},{"url":"http://aix.software.ibm.com/aix/efixes/security/nfs4_advisory.asc","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49024","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49096","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49278","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50399","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50444","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50496","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/36544","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2009/2788","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6366","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-3517","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}