Skip to content
Fencer Vulns
medium 6.4

CVE-2007-6612 json

Mongrel vulnerable to directory traversal via double-encoded sequences

published 2008-01-03 18 y ago modified 2026-06-16 4 mo ago also GHSA-m7r6-43v2-49vf , EUVD-2022-4514

cvss
6.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Directory traversal vulnerability in DirHandler (lib/mongrel/handlers.rb) in Mongrel 1.0.4 and 1.1.x before 1.1.3 allows remote attackers to read arbitrary files via an HTTP request containing double-encoded sequences (".%252e").

Patch / fix

  • rubygems mongrel 1.0.5, 1.1.3

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-6612 updated

mongrel: "DirHandler" Directory Traversal Vulnerability

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.00% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • rubyforge.org http://rubyforge.org/pipermail/mongrel-users/2007-December/004736.html referenced PoC, tagged "exploit" by a source, unverified
  • rubyforge.org http://rubyforge.org/pipermail/mongrel-users/2007-December/004733.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected packages

ecosystem package affected fixed in
rubygems mongrel
>=1.0.4, <1.0.5
>=1.1.0, <1.1.3
1.0.5
1.1.3

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

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.