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…
Priority MEDIUM 50Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.04355 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ibm:aix:5.3.0:*:*:*:*:*:*:* | 5.3.0 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3.7:*:*:*:*:*:*:* | 5.3.7 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:5.3.8:*:*:*:*:*:*:* | 5.3.8 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:6.1:*:*:*:*:*:*:* | 6.1 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:6.1.0:*:*:*:*:*:*:* | 6.1.0 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:6.1.1:*:*:*:*:*:*:* | 6.1.1 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:6.1.2:*:*:*:*:*:*:* | 6.1.2 | Vulnerable | IBM |
- cpe:2.3:o:ibm:aix:5.3.0:*:*:*:*:*:*:* Versions 5.3.0 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3.7:*:*:*:*:*:*:* Versions 5.3.7 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:5.3.8:*:*:*:*:*:*:* Versions 5.3.8 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:6.1:*:*:*:*:*:*:* Versions 6.1 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:6.1.0:*:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:6.1.1:*:*:*:*:*:*:* Versions 6.1.1 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:6.1.2:*:*:*:*:*:*:* Versions 6.1.2 Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-3517
- 2026-10-03 Alias added: GHSA-7499-pwh5-6vh8
References
More IBM Aix vulnerabilities
- TI-2001-00767 Buffer overflow in login in various System V based operating systems allows remote… CVSS 2.0HIGH 10.0
- TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
- TI-2009-03523 Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x… CVSS 2.0HIGH 10.0
- TI-1999-00045 Buffer overflow of rlogin program using TERM environmental variable. CVSS 2.0HIGH 10.0
- TI-2001-00539 Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows… CVSS 2.0HIGH 10.0
- TI-1999-00009 Inverse query buffer overflow in BIND 4.9 and BIND 8 Releases. CVSS 2.0HIGH 10.0
Sources
- CVE-2009-3517 · CVE Program
- CVE-2009-3517 · NVD
- FIRST EPSS
- GHSA-7499-pwh5-6vh8 · GitHub Advisory Database · CC BY 4.0
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