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Fencer Vulns
critical 9.3

CVE-2008-4321 json

Buffer overflow in FlashGet (formerly JetCar) FTP 1.9 allows remote FTP servers to execute arbitrary code via a long response to the PWD co…

published 2008-09-29 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4302

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.8%
EPSS 5.8% chance of exploitation in 30 days, percentile 93%
public exploits
3
Exploit-DB

Summary

Buffer overflow in FlashGet (formerly JetCar) FTP 1.9 allows remote FTP servers to execute arbitrary code via a long response to the PWD command.

Timeline

  1. First public exploit (EDB-6240)
  2. Published

Exploit prediction

5.78% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-6256 FlashGet 1.9.0.1012 - 'FTP PWD Response' Remote Buffer Overflow (SafeSEH) remote, 2008-08-17
  • EDB-6248 FlashGet 1.9.0.1012 - 'FTP PWD Response' SEH Stack Overflow remote, 2008-08-15
  • EDB-6240 FlashGet 1.9 - 'FTP PWD Response' Remote Buffer Overflow (PoC) dos, 2008-08-13
  • securityfocus.com http://www.securityfocus.com/bid/30685 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.