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Fencer Vulns
critical 9.3

CVE-2009-3484 json

Stack-based buffer overflow in Core FTP 2.1 build 1612 allows user-assisted remote attackers to execute arbitrary code via a long hostname…

published 2009-09-30 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3466

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.6%
EPSS 5.6% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-9815)
  2. Published

Exploit prediction

5.64% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-9815 Core FTP LE 2.1 build 1612 - Local Buffer Overflow (PoC) dos, 2009-09-25
  • packetstormsecurity.org http://www.packetstormsecurity.org/0909-exploits/coreftp_local.py.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.