Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0…
Priority HIGH 82CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authenticated users to execute arbitrary code via a crafted NLST (NAME LIST) command that uses wildcards, leading to memory corruption, aka "IIS FTP Service RCE and DoS Vulnerability."
Why it matters now
EPSS 0.90913 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
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 · 19
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:* | 5.0 – 6.0 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:itanium:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:-:*:itanium:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:-:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:-:*:x86:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:* Versions 5.0 – 6.0 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:itanium:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:-:*:itanium:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:-:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:-:*:x86:* Versions not specified by NVD Running on ·Microsoft
Show 9 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:itanium:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:-:*:x86:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:*:*:*:*:*:-:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:*:*:*:*:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:-:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:-:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:-:*:x64:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:itanium:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:-:*:x86:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:*:*:*:*:*:-:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:-:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:-:*:x64:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:-:*:x64:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-3023
- 2026-10-03 Alias added: GHSA-ww4p-6452-jmh8
References
Patch 1
More Microsoft Internet Information Server vulnerabilities
- TI-2001-00492 Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service… CVSS 2.0HIGH 10.0
- TI-1999-00961 The Remote Data Service (RDS) DataFactory component of Microsoft Data Access Components… CVSS 2.0HIGH 10.0
- TI-1999-00824 Buffer overflow in IIS 4.0 allows remote attackers to cause a denial of service via a… CVSS 2.0HIGH 10.0
- TI-2008-00066 Unspecified vulnerability in Microsoft Internet Information Services (IIS) 5.1 through… CVSS 2.0HIGH 10.0
- TI-2001-00331 Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2002-00075 Buffer overflow in the chunked encoding transfer mechanism in Internet Information Server… CVSS 2.0HIGH 7.5
Sources
- CVE-2009-3023 · CVE Program
- CVE-2009-3023 · NVD
- FIRST EPSS
- GHSA-ww4p-6452-jmh8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences