CVE-2009-3516

Name: CVE-2009-3516
Creator: NVD / NIST
Published: 2009-10-01T15:30:00.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.38%

Last modified Jun 16, 2026

CVE-2009-3516 is a vulnerability of currently unknown severity. gssd in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not properly handle the NFSv4 Kerberos credential cache, which allows local users to bypass intended access restrictions for Kerberized NFSv4 shares via unspecified vectors.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

gssd in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not properly handle the NFSv4 Kerberos credential cache, which allows local users to bypass intended access restrictions for Kerberized NFSv4 shares via unspecified vectors.

Metrics

EPSS Probability

0.38%

29.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-255

Affected Software

Vendor	Product	Versions
Ibm	Aix	5.3.0
Ibm	Aix	5.3.7
Ibm	Aix	5.3.8
Ibm	Aix	6.1
Ibm	Aix	6.1.0
Ibm	Aix	6.1.1
Ibm	Aix	6.1.2

References

http://aix.software.ibm.com/aix/efixes/security/nfs4_advisory.ascPatch, Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49024Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49096Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49278Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50399Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50444
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50496Vendor Advisory
http://www.securityfocus.com/bid/36545Patch
http://www.vupen.com/english/advisories/2009/2788Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6318
http://aix.software.ibm.com/aix/efixes/security/nfs4_advisory.ascPatch, Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49024Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49096Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49278Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50399Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50444
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50496Vendor Advisory
http://www.securityfocus.com/bid/36545Patch
http://www.vupen.com/english/advisories/2009/2788Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6318

Timeline

Published: Oct 1, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-3516?

How severe is CVE-2009-3516?

Severity scoring for CVE-2009-3516 is pending analysis. The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2009-3516?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-3516?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST