VulnerabilityModified

CVE-2009-3484

Stack-based buffer overflow in Core FTP 2.1 build 1612 allows user-assisted remote attackers to execute arbitrary code via a long hostname in an FTP server entry in a site backup file.

EXPLOIT ✓HIGH 9.3EPSS 5.64%

Does this matter?

A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 5.6%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

Stack-based buffer overflow in Core FTP 2.1 build 1612 allows user-assisted remote attackers to execute arbitrary code via a long hostname in an FTP server entry in a site backup file. NOTE: some of these details are obtained from third party information.

CVSS 2.0: 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS: 5.64% probability · 93th percentile
Public exploits: 1 in Exploit-DB · verified · first 25 September 2009
CISA KEV: Not listed
Weakness: CWE-119
Affected: coreftp/core ftp
Source: cve@mitre.org

EPSS trend

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.

EDB-ID	Title	Type	Published	Verified
EDB-9815 source ↗	Core FTP LE 2.1 build 1612 - Local Buffer Overflow (PoC)windows · Dr_IDE	dos	25 September 2009	yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.