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Fencer Intel
high 7.5

CVE-2016-0752 kev in the critical feed json

Directory traversal vulnerability in Action View in Ruby on Rails

published 2016-02-16 10 y ago modified 2026-06-17 4 mo ago also GHSA-xrr4-p6fq-hjg7 , EUVD-2017-0333

cvss
7.5
version 3.1, CNA
cisa kev
Exploited
added 2022-03-25
epss
95.5%
EPSS 95.5% chance of exploitation in 30 days, percentile 99.8%
public exploits
2
Metasploit, Exploit-DB

Summary

Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname.

Patch / fix

cisa required action Apply updates per vendor instructions.

  • rubygems actionview 4.1.14.1, 4.2.5.1
  • rubygems actionpack 3.2.22.1, 4.1.14.1, 4.2.5.1
  • rubyonrails rails 3.2.22.1, 4.1.14.1, 4.2.5.1
  • rails Debian 14, Debian 13, Debian 12 2:4.2.5.1-1

debian advisories DEBIAN-CVE-2016-0752

  • ruby193-rubygem-actionpack RHEL 2 SOFTWARE_COLLECTIONS 1:3.2.8-16.el6
  • ruby193-rubygem-actionpack RHEL 2 SOFTWARE_COLLECTIONS 1:3.2.8-16.el7
  • ruby193-rubygem-activerecord RHEL 2 SOFTWARE_COLLECTIONS 1:3.2.8-11.el6
  • ruby193-rubygem-activerecord RHEL 2 SOFTWARE_COLLECTIONS 1:3.2.8-11.el7
  • ruby193-rubygem-activesupport RHEL 2 SOFTWARE_COLLECTIONS 1:3.2.8-6.el6
  • ruby193-rubygem-activesupport RHEL 2 SOFTWARE_COLLECTIONS 1:3.2.8-6.el7
  • ror40-rubygem-actionpack RHEL 2 SOFTWARE_COLLECTIONS 1:4.0.2-7.el6
  • ror40-rubygem-actionpack RHEL 2 SOFTWARE_COLLECTIONS 1:4.0.2-7.el7

red hat advisories RHSA-2016:0455RHSA-2016:0454RHSA-2016:0296

  • susestudio Studio Onsite Runner 1.3, Studio Onsite 1.3 1.3.14-52.1
  • qemu-ext2 Studio Onsite Runner 1.3, Studio Onsite 1.3 0.1.1-0.9.4.19
  • libjansson Studio Onsite Runner 1.3, Studio Onsite 1.3 2.2.1-0.9.11.6
  • studio-help Studio Onsite Runner 1.3, Studio Onsite 1.3 1.3.20-0.6.9
  • rubygem-bundler19 Studio Onsite Runner 1.3, Studio Onsite 1.3 1.7.0-0.13.10
  • portus SLE Module for Containers 12 2.0.3-2.4
  • rubygem-actionpack-4_1 OpenStack Cloud 5 4.1.9-9.1
  • rubygem-actionpack-3_2 WebYast 1.3, Studio Onsite 1.3, SLE Software Development Kit 11 SP4 +1 more 3.2.12-0.23.1

suse advisories SUSE-SU-2017:0475-1SUSE-SU-2016:1146-1SUSE-SU-2016:0858-1SUSE-SU-2016:0618-1SUSE-SU-2016:0599-1SUSE-SU-2016:0457-1

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-2016-0752 updated cvss 6.8

rubygem-actionpack: directory traversal flaw in Action View

  • Red Hat CloudForms Management Engine 5 ruby193-rubygem-actionpack Red Hat Subscription Asset Manager rubygem-actionpack, ruby193-rubygem-actionpack
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) ror40-rubygem-actionpack 4.0.2-7.el6, ror40-rubygem-activerecord 4.0.2-6.el6, rh-ror41-rubygem-actionpack 4.1.5-3.el6, rh-ror41-rubygem-actionview 4.1.5-4.el6, ror40-rubygem-activesupport 4.0.2-4.el6, ruby193-rubygem-actionpack 3.2.8-16.el6, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) ror40-rubygem-actionpack 4.0.2-7.el7, ror40-rubygem-activerecord 4.0.2-6.el7, rh-ror41-rubygem-actionpack 4.1.5-3.el7, rh-ror41-rubygem-actionview 4.1.5-4.el7, ror40-rubygem-activesupport 4.0.2-4.el7, ruby193-rubygem-actionpack 3.2.8-16.el7, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) ror40-rubygem-actionpack 4.0.2-7.el6, ror40-rubygem-activerecord 4.0.2-6.el6, rh-ror41-rubygem-actionpack 4.1.5-3.el6, rh-ror41-rubygem-actionview 4.1.5-4.el6, ror40-rubygem-activesupport 4.0.2-4.el6, ruby193-rubygem-actionpack 3.2.8-16.el6, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) ror40-rubygem-actionpack 4.0.2-7.el6, ror40-rubygem-activerecord 4.0.2-6.el6, rh-ror41-rubygem-actionpack 4.1.5-3.el6, rh-ror41-rubygem-actionview 4.1.5-4.el6, ror40-rubygem-activesupport 4.0.2-4.el6, ruby193-rubygem-actionpack 3.2.8-16.el6, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) ror40-rubygem-actionpack 4.0.2-7.el7, ror40-rubygem-activerecord 4.0.2-6.el7, rh-ror41-rubygem-actionpack 4.1.5-3.el7, rh-ror41-rubygem-actionview 4.1.5-4.el7, ror40-rubygem-activesupport 4.0.2-4.el7, ruby193-rubygem-actionpack 3.2.8-16.el7, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) ror40-rubygem-actionpack 4.0.2-7.el7, ror40-rubygem-activerecord 4.0.2-6.el7, rh-ror41-rubygem-actionpack 4.1.5-3.el7, rh-ror41-rubygem-actionview 4.1.5-4.el7, ror40-rubygem-activesupport 4.0.2-4.el7, ruby193-rubygem-actionpack 3.2.8-16.el7, +5 more
    +2 more products
    Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) ror40-rubygem-actionpack 4.0.2-7.el6, ror40-rubygem-activerecord 4.0.2-6.el6, rh-ror41-rubygem-actionpack 4.1.5-3.el6, rh-ror41-rubygem-actionview 4.1.5-4.el6, ror40-rubygem-activesupport 4.0.2-4.el6, ruby193-rubygem-actionpack 3.2.8-16.el6, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) ror40-rubygem-actionpack 4.0.2-7.el7, ror40-rubygem-activerecord 4.0.2-6.el7, rh-ror41-rubygem-actionpack 4.1.5-3.el7, rh-ror41-rubygem-actionview 4.1.5-4.el7, ror40-rubygem-activesupport 4.0.2-4.el7, ruby193-rubygem-actionpack 3.2.8-16.el7, +5 more
    fixed: vendor fix RHSA-2016:0296

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

Timeline

  1. Published
  2. First public exploit (Metasploit exploit/multi/http/rails_dynamic_render_code_exec)
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-04-15 (4 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
Rails, Ruby on Rails
CISA name
Ruby on Rails Directory Traversal Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

95.54% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:H

Affected packages

ecosystem package affected fixed in
rubygems actionview
>=4.0.0, <4.1.14.1
>=4.2.0, <4.2.5.1
4.1.14.1
4.2.5.1
rubygems actionpack
>=4.0.0, <4.1.14.1
>=4.2.0, <4.2.5.1
<3.2.22.1
4.1.14.1
4.2.5.1
3.2.22.1

Classification

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

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.