CVE-2014-7829

Exp

Directory traversal vulnerability in actionpack/lib/action_dispatch/middleware/static.rb in Action Pack in Ruby on Rails 3.x before 3.2.21, 4.0.x before 4.0.12, 4.1.x before 4.1.8, and 4.2.x before 4.2.0.beta4, when serve_static_assets is enabled, allows remote attackers to determine the existence of files outside the application root via vectors involving a \ (backslash) character, a similar issue to CVE-2014-7818.

Published: 2014-11-18 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-7829 is rated High Exploit Risk (70.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.16%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.90% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2014-7829

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2014-7829

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.27% 4.16% +3.90%
2 2026-03-25 0.20% 0.27% +0.07%
3 2026-03-04 — 0.20% —

Full EPSS history (30 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-7829

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2014-7829

GitHub Security Advisory for CVE-2014-7829

GHSA-h56m-vwxc-3qpw · Severity: medium · Ecosystem: rubygems — Directory traversal vulnerability in actionpack

OS Trackers for CVE-2014-7829

vendor priority summary link
debian not yet assigned CVE-2014-7829 not yet assigned priority: Debian including 1 source packages (rails), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-7829
redhat low — https://access.redhat.com/security/cve/CVE-2014-7829
ubuntu low CVE-2014-7829 low priority: Ubuntu including 11 source packages (rails, rails-3.2, …), 154 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 125, ignored 11, not-affected 11, needs-triage 5, released 2. https://ubuntu.com/security/CVE-2014-7829

Affected software / configurations for CVE-2014-7829

Vendor Product Version Raw CPE
opensuse opensuse 12.3 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
rubyonrails rails 3.0.0 cpe:2.3:a:rubyonrails:rails:3.0.0:*:*:*:*:*:*:*
rubyonrails rails 3.0.0 cpe:2.3:a:rubyonrails:rails:3.0.0:beta:*:*:*:*:*:*
rubyonrails rails 3.0.0 cpe:2.3:a:rubyonrails:rails:3.0.0:beta2:*:*:*:*:*:*
rubyonrails rails 3.0.0 cpe:2.3:a:rubyonrails:rails:3.0.0:beta3:*:*:*:*:*:*
rubyonrails rails 3.0.0 cpe:2.3:a:rubyonrails:rails:3.0.0:beta4:*:*:*:*:*:*
rubyonrails rails 3.0.0 cpe:2.3:a:rubyonrails:rails:3.0.0:rc:*:*:*:*:*:*
rubyonrails rails 3.0.0 cpe:2.3:a:rubyonrails:rails:3.0.0:rc2:*:*:*:*:*:*
rubyonrails rails 3.0.1 cpe:2.3:a:rubyonrails:rails:3.0.1:*:*:*:*:*:*:*
rubyonrails rails 3.0.1 cpe:2.3:a:rubyonrails:rails:3.0.1:pre:*:*:*:*:*:*
rubyonrails rails 3.0.2 cpe:2.3:a:rubyonrails:rails:3.0.2:*:*:*:*:*:*:*
rubyonrails rails 3.0.2 cpe:2.3:a:rubyonrails:rails:3.0.2:pre:*:*:*:*:*:*
rubyonrails rails 3.0.3 cpe:2.3:a:rubyonrails:rails:3.0.3:*:*:*:*:*:*:*
rubyonrails rails 3.0.4 cpe:2.3:a:rubyonrails:rails:3.0.4:rc1:*:*:*:*:*:*
rubyonrails rails 3.0.5 cpe:2.3:a:rubyonrails:rails:3.0.5:*:*:*:*:*:*:*
rubyonrails rails 3.0.5 cpe:2.3:a:rubyonrails:rails:3.0.5:rc1:*:*:*:*:*:*
rubyonrails rails 3.0.6 cpe:2.3:a:rubyonrails:rails:3.0.6:*:*:*:*:*:*:*
rubyonrails rails 3.0.6 cpe:2.3:a:rubyonrails:rails:3.0.6:rc1:*:*:*:*:*:*
rubyonrails rails 3.0.6 cpe:2.3:a:rubyonrails:rails:3.0.6:rc2:*:*:*:*:*:*
rubyonrails rails 3.0.7 cpe:2.3:a:rubyonrails:rails:3.0.7:*:*:*:*:*:*:*
rubyonrails rails 3.0.7 cpe:2.3:a:rubyonrails:rails:3.0.7:rc1:*:*:*:*:*:*
rubyonrails rails 3.0.7 cpe:2.3:a:rubyonrails:rails:3.0.7:rc2:*:*:*:*:*:*
rubyonrails rails 3.0.8 cpe:2.3:a:rubyonrails:rails:3.0.8:*:*:*:*:*:*:*
rubyonrails rails 3.0.8 cpe:2.3:a:rubyonrails:rails:3.0.8:rc1:*:*:*:*:*:*
rubyonrails rails 3.0.8 cpe:2.3:a:rubyonrails:rails:3.0.8:rc2:*:*:*:*:*:*
rubyonrails rails 3.0.8 cpe:2.3:a:rubyonrails:rails:3.0.8:rc3:*:*:*:*:*:*
rubyonrails rails 3.0.8 cpe:2.3:a:rubyonrails:rails:3.0.8:rc4:*:*:*:*:*:*
rubyonrails rails 3.0.9 cpe:2.3:a:rubyonrails:rails:3.0.9:*:*:*:*:*:*:*
rubyonrails rails 3.0.9 cpe:2.3:a:rubyonrails:rails:3.0.9:rc1:*:*:*:*:*:*
rubyonrails rails 3.0.9 cpe:2.3:a:rubyonrails:rails:3.0.9:rc2:*:*:*:*:*:*
rubyonrails rails 3.0.9 cpe:2.3:a:rubyonrails:rails:3.0.9:rc3:*:*:*:*:*:*
rubyonrails rails 3.0.9 cpe:2.3:a:rubyonrails:rails:3.0.9:rc4:*:*:*:*:*:*
rubyonrails rails 3.0.9 cpe:2.3:a:rubyonrails:rails:3.0.9:rc5:*:*:*:*:*:*
rubyonrails rails 3.0.10 cpe:2.3:a:rubyonrails:rails:3.0.10:*:*:*:*:*:*:*
rubyonrails rails 3.0.10 cpe:2.3:a:rubyonrails:rails:3.0.10:rc1:*:*:*:*:*:*
rubyonrails rails 3.0.11 cpe:2.3:a:rubyonrails:rails:3.0.11:*:*:*:*:*:*:*
rubyonrails rails 3.0.12 cpe:2.3:a:rubyonrails:rails:3.0.12:*:*:*:*:*:*:*
rubyonrails rails 3.0.12 cpe:2.3:a:rubyonrails:rails:3.0.12:rc1:*:*:*:*:*:*
rubyonrails rails 3.0.13 cpe:2.3:a:rubyonrails:rails:3.0.13:*:*:*:*:*:*:*
rubyonrails rails 3.0.13 cpe:2.3:a:rubyonrails:rails:3.0.13:rc1:*:*:*:*:*:*
rubyonrails rails 3.0.14 cpe:2.3:a:rubyonrails:rails:3.0.14:*:*:*:*:*:*:*
rubyonrails rails 3.0.16 cpe:2.3:a:rubyonrails:rails:3.0.16:*:*:*:*:*:*:*
rubyonrails rails 3.0.17 cpe:2.3:a:rubyonrails:rails:3.0.17:*:*:*:*:*:*:*
rubyonrails rails 3.0.18 cpe:2.3:a:rubyonrails:rails:3.0.18:*:*:*:*:*:*:*
rubyonrails rails 3.0.19 cpe:2.3:a:rubyonrails:rails:3.0.19:*:*:*:*:*:*:*
rubyonrails rails 3.0.20 cpe:2.3:a:rubyonrails:rails:3.0.20:*:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:*:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:beta1:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:rc1:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:rc2:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:rc3:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:rc4:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:rc5:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:rc6:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:rc7:*:*:*:*:*:*
rubyonrails rails 3.1.0 cpe:2.3:a:rubyonrails:rails:3.1.0:rc8:*:*:*:*:*:*
rubyonrails rails 3.1.1 cpe:2.3:a:rubyonrails:rails:3.1.1:*:*:*:*:*:*:*
rubyonrails rails 3.1.1 cpe:2.3:a:rubyonrails:rails:3.1.1:rc1:*:*:*:*:*:*
rubyonrails rails 3.1.1 cpe:2.3:a:rubyonrails:rails:3.1.1:rc2:*:*:*:*:*:*
rubyonrails rails 3.1.1 cpe:2.3:a:rubyonrails:rails:3.1.1:rc3:*:*:*:*:*:*
rubyonrails rails 3.1.2 cpe:2.3:a:rubyonrails:rails:3.1.2:*:*:*:*:*:*:*
rubyonrails rails 3.1.2 cpe:2.3:a:rubyonrails:rails:3.1.2:rc1:*:*:*:*:*:*
rubyonrails rails 3.1.2 cpe:2.3:a:rubyonrails:rails:3.1.2:rc2:*:*:*:*:*:*
rubyonrails rails 3.1.3 cpe:2.3:a:rubyonrails:rails:3.1.3:*:*:*:*:*:*:*
rubyonrails rails 3.1.4 cpe:2.3:a:rubyonrails:rails:3.1.4:*:*:*:*:*:*:*
rubyonrails rails 3.1.4 cpe:2.3:a:rubyonrails:rails:3.1.4:rc1:*:*:*:*:*:*
rubyonrails rails 3.1.5 cpe:2.3:a:rubyonrails:rails:3.1.5:*:*:*:*:*:*:*
rubyonrails rails 3.1.5 cpe:2.3:a:rubyonrails:rails:3.1.5:rc1:*:*:*:*:*:*
rubyonrails rails 3.1.6 cpe:2.3:a:rubyonrails:rails:3.1.6:*:*:*:*:*:*:*
rubyonrails rails 3.1.7 cpe:2.3:a:rubyonrails:rails:3.1.7:*:*:*:*:*:*:*
rubyonrails rails 3.1.8 cpe:2.3:a:rubyonrails:rails:3.1.8:*:*:*:*:*:*:*
rubyonrails rails 3.1.9 cpe:2.3:a:rubyonrails:rails:3.1.9:*:*:*:*:*:*:*
rubyonrails rails 3.1.10 cpe:2.3:a:rubyonrails:rails:3.1.10:*:*:*:*:*:*:*
rubyonrails rails 3.2.0 cpe:2.3:a:rubyonrails:rails:3.2.0:*:*:*:*:*:*:*
rubyonrails rails 3.2.0 cpe:2.3:a:rubyonrails:rails:3.2.0:rc1:*:*:*:*:*:*
rubyonrails rails 3.2.0 cpe:2.3:a:rubyonrails:rails:3.2.0:rc2:*:*:*:*:*:*
rubyonrails rails 3.2.1 cpe:2.3:a:rubyonrails:rails:3.2.1:*:*:*:*:*:*:*
rubyonrails rails 3.2.2 cpe:2.3:a:rubyonrails:rails:3.2.2:*:*:*:*:*:*:*

References for CVE-2014-7829

cvelogic Threat Intelligence