CVE-2009-3517

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-10-01 · updated 2026-06-16

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.

Affected products

IBM AIX: 5.3.0, 5.3.7, 5.3.8, 6.1, 6.1.0, 6.1.1 (+1)

References

http://aix.software.ibm.com/aix/efixes/security/nfs4_advisory.asc
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49024
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49096
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49278
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50399
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50444
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50496
http://www.securityfocus.com/bid/36544
http://www.vupen.com/english/advisories/2009/2788
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6366
http://aix.software.ibm.com/aix/efixes/security/nfs4_advisory.asc
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49024

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