CVE-2009-4775
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.
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 5.6%. Treat it as high on anything reachable from the internet.
Description
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 5.61% probability · 93th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 9 September 2009
- CISA KEV
- Not listed
- Weakness
- CWE-134
- Affected
- ipswitch/ws ftp
- Source
- cve@mitre.org
EPSS 5.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://docs.ipswitch.com/WS_FTP%20122/ReleaseNotes/English/index.htm?k_id=ipswitch_com_ftp_documents_worldwide_ws_ftp122releasenotesenglish#link23
- http://www.exploit-db.com/exploits/9607
- http://www.packetstormsecurity.org/0909-exploits/nocoolnameforawsftppoc.pl.txtExploit
- http://www.securityfocus.com/bid/36297Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53098
- http://docs.ipswitch.com/WS_FTP%20122/ReleaseNotes/English/index.htm?k_id=ipswitch_com_ftp_documents_worldwide_ws_ftp122releasenotesenglish#link23
- http://www.exploit-db.com/exploits/9607
- http://www.packetstormsecurity.org/0909-exploits/nocoolnameforawsftppoc.pl.txtExploit
- http://www.securityfocus.com/bid/36297Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53098
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.