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Fencer Intel
critical 10.0

CVE-2014-3791 in the critical feed json

Stack-based buffer overflow in Easy File Sharing (EFS) Web Server 6.8 allows remote attackers to execute arbitrary code via a long string i…

published 2014-05-20 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-3730

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
78.7%
EPSS 78.7% chance of exploitation in 30 days, percentile 99.5%
public exploits
2
Metasploit, Exploit-DB

Summary

Stack-based buffer overflow in Easy File Sharing (EFS) Web Server 6.8 allows remote attackers to execute arbitrary code via a long string in a cookie UserID parameter to vfolder.ghp.

Timeline

  1. First public exploit (EDB-33352)
  2. Published

Exploit prediction

78.70% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/windows/http/efs_fmws_userid_bof Easy File Management Web Server Stack Buffer Overflow metasploit exploit, normal rank, 2014-05-20
  • EDB-33352 Easy File Sharing Web Server 6.8 - Remote Stack Buffer Overflow remote, 2014-05-14
  • blog.techorganic.com http://blog.techorganic.com/2014/05/14/from-fuzzing-to-0-day referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/126614/Easy-File-Sharing-Web-Server-6.8-Buffer-Overflow.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/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 Intel 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.