Format string vulnerability in Ipswitch WS_FTP Professional 12 before 12.2 allows remote…
Priority LOW 29CWE-134Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-134 and the CVSS impact.
Summary
Format string vulnerability in Ipswitch WS_FTP Professional 12 before 12.2 allows remote attackers to cause a denial of service (crash) via format string specifiers in the status code portion of an HTTP response.
Why it matters now
EPSS 0.05608 92nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ipswitch:ws_ftp:12.0:-:home:*:*:*:*:* | 12.0 | Vulnerable | Ipswitch |
| cpe:2.3:a:ipswitch:ws_ftp:12.0:-:pro:*:*:*:*:* | 12.0 | Vulnerable | Ipswitch |
| cpe:2.3:a:ipswitch:ws_ftp:12.0.1:-:home:*:*:*:*:* | 12.0.1 | Vulnerable | Ipswitch |
| cpe:2.3:a:ipswitch:ws_ftp:12.0.1:-:pro:*:*:*:*:* | 12.0.1 | Vulnerable | Ipswitch |
- cpe:2.3:a:ipswitch:ws_ftp:12.0:-:home:*:*:*:*:* Versions 12.0 Vulnerable ·Ipswitch
- cpe:2.3:a:ipswitch:ws_ftp:12.0:-:pro:*:*:*:*:* Versions 12.0 Vulnerable ·Ipswitch
- cpe:2.3:a:ipswitch:ws_ftp:12.0.1:-:home:*:*:*:*:* Versions 12.0.1 Vulnerable ·Ipswitch
- cpe:2.3:a:ipswitch:ws_ftp:12.0.1:-:pro:*:*:*:*:* Versions 12.0.1 Vulnerable ·Ipswitch
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-4775
- 2026-10-03 Alias added: GHSA-cqjc-hxf6-jx3w
References
More Ipswitch Ws Ftp vulnerabilities
- TI-2007-03707 The Logging Server (Logsrv.exe) in IPSwitch WS_FTP 7.5.29.0 allows remote attackers to… CVSS 2.0HIGH 7.8
- TI-2007-02134 Unspecified vulnerability in the Initialize function in NetscapeFTPHandler in WS_FTP Home… CVSS 2.0HIGH 7.8
- TI-2017-12129 Ipswitch WS_FTP Professional before 12.6.0.3 has buffer overflows in the local search… CVSS 3.0HIGH 7.8
- TI-2008-05400 Ipswitch WS_FTP Server Manager before 6.1.1, and possibly other Ipswitch products, allows… CVSS 2.0MEDIUM 5.0
- TI-2008-00580 The Logging Server (ftplogsrv.exe) 7.9.14.0 and earlier in IPSwitch WS_FTP 6.1 allows… CVSS 2.0MEDIUM 5.0
- TI-2008-05401 Ipswitch WS_FTP Server Manager 6.1.0.0 and earlier, and possibly other Ipswitch products… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2009-4775 · CVE Program
- CVE-2009-4775 · NVD
- FIRST EPSS
- GHSA-cqjc-hxf6-jx3w · 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