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Fencer Intel
critical 9.3

CVE-2009-4769 in the critical feed json

Multiple format string vulnerabilities in the tolog function in httpdx 1.4, 1.4.5, 1.4.6, 1.4.6b, and 1.5 allow (1) remote attackers to exe…

published 16y ago modified 4mo ago also EUVD-2009-4732

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
37.9%
EPSS 37.9% chance of exploitation in 30 days, percentile 98%
public exploits
4
Metasploit and Exploit-DB

Summary

Multiple format string vulnerabilities in the tolog function in httpdx 1.4, 1.4.5, 1.4.6, 1.4.6b, and 1.5 allow (1) remote attackers to execute arbitrary code via format string specifiers in a GET request to the HTTP server component when logging is enabled, and allow (2) remote authenticated users to execute arbitrary code via format string specifiers in a PWD command to the FTP server component.

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Timeline

  1. First public exploit (Metasploit exploit/windows/ftp/httpdx_tolog_format)
  2. Published

Exploit prediction

37.90% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/windows/ftp/httpdx_tolog_format HTTPDX tolog() Function Format String Vulnerability metasploit exploit, great rank, 2009-11-17
  • Metasploit exploit/windows/http/httpdx_tolog_format HTTPDX tolog() Function Format String Vulnerability metasploit exploit, great rank, 2009-11-17
  • EDB-16794 httpdx - 'tolog()' Format String (Metasploit) (2) remote, 2010-08-25
  • EDB-16732 httpdx - 'tolog()' Format String (Metasploit) (1) remote, 2010-08-25
  • metasploit.com http://www.metasploit.com/redmine/projects/framework/repository/revisions/7569/entry/modules/exploits/windows/http/httpdx_tolog_format.rb referenced PoC, tagged "exploit" by a source, unverified
  • metasploit.com http://www.metasploit.com/redmine/projects/framework/repository/revisions/7569/entry/modules/exploits/windows/ftp/httpdx_tolog_format.rb 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-134 Use of Externally-Controlled Format String

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.