HIGH
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 Oct 1, 2009
10.0
HIGHCVSS 2.0
EPSS 4.35%
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
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.35% 0.04355
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.04355
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.35% (0.04355) | 90.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.35% (0.04355) | 89.95th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.51% (0.02511) | 84.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.59% (0.01591) | 87.87th | v3 (v2023.03.01) |
| May 18, 2024 | 1.59% (0.01591) | 87.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.59% (0.01591) | 85.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (10)
- http://aix.software.ibm.com/aix/efixes/security/nfs4_advisory.asc x_refsource_CONFIRMPatchVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49024 vendor-advisoryx_refsource_AIXAPARVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49096 vendor-advisoryx_refsource_AIXAPARVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49278 vendor-advisoryx_refsource_AIXAPAR
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50399 vendor-advisoryx_refsource_AIXAPARVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50444 vendor-advisoryx_refsource_AIXAPARVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50496 vendor-advisoryx_refsource_AIXAPARVendor Advisory
- http://www.securityfocus.com/bid/36544 vdb-entryx_refsource_BIDPatch
- http://www.vupen.com/english/advisories/2009/2788 vdb-entryx_refsource_VUPENVendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6366 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 1, 2009
Updated Aug 7, 2024
Reserved Oct 1, 2009
Link CVE-2009-3517
CISA Vulnrichment
Updated n/a