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Fencer Intel
medium 5.3

CVE-2016-0753 json

activemodel contains Improper Input Validation

published 2016-02-16 10 y ago modified 2026-06-17 4 mo ago also GHSA-543v-gj2c-r3ch , EUVD-2017-0165

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.2%
EPSS 7.2% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Active Model in Ruby on Rails 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 supports the use of instance-level writers for class accessors, which allows remote attackers to bypass intended validation steps via crafted parameters.

Patch / fix

  • rubygems activemodel 4.1.14.1, 4.2.5.1
  • rubyonrails rails 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-2016-0753

  • rh-ror41-rubygem-actionpack RHEL 2 SOFTWARE_COLLECTIONS 1:4.1.5-3.el6
  • rh-ror41-rubygem-actionpack RHEL 2 SOFTWARE_COLLECTIONS 1:4.1.5-3.el7
  • rh-ror41-rubygem-actionview RHEL 2 SOFTWARE_COLLECTIONS 4.1.5-4.el6
  • rh-ror41-rubygem-actionview RHEL 2 SOFTWARE_COLLECTIONS 4.1.5-4.el7
  • rh-ror41-rubygem-activemodel RHEL 2 SOFTWARE_COLLECTIONS 4.1.5-2.el6
  • rh-ror41-rubygem-activemodel RHEL 2 SOFTWARE_COLLECTIONS 4.1.5-2.el7
  • rh-ror41-rubygem-activerecord RHEL 2 SOFTWARE_COLLECTIONS 1:4.1.5-2.el6
  • rh-ror41-rubygem-activerecord RHEL 2 SOFTWARE_COLLECTIONS 1:4.1.5-2.el7

red hat advisories RHSA-2016:0296

  • portus SLE Module for Containers 12 2.0.3-2.4
  • rubygem-activesupport-4_1 OpenStack Cloud 5 4.1.9-12.1
  • rubygem-activerecord-4_1 OpenStack Cloud 5 4.1.9-9.1
  • rubygem-activemodel-4_1 OpenStack Cloud 5 4.1.9-9.1
  • rubygem-activerecord-4_2 Enterprise Storage 2.1 4.2.2-5.1
  • rubygem-activesupport-4_2 Enterprise Storage 2.1 4.2.2-6.1
  • rubygem-activemodel-4_2 Enterprise Storage 2.1 4.2.2-5.1

suse advisories SUSE-SU-2016:1146-1SUSE-SU-2016:0600-1SUSE-SU-2016:0598-1SUSE-SU-2016:0597-1SUSE-SU-2016:0458-1SUSE-SU-2016:0435-1

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-2016-0753 updated cvss 4.3

rubygem-activerecord: possible input validation circumvention in Active Model

  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-ror41-rubygem-actionpack 4.1.5-3.el6, rh-ror41-rubygem-actionview 4.1.5-4.el6, rh-ror41-rubygem-activemodel 4.1.5-2.el6, rh-ror41-rubygem-activerecord 4.1.5-2.el6, rh-ror41-rubygem-activesupport 4.1.5-3.el6 Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-ror41-rubygem-actionpack 4.1.5-3.el7, rh-ror41-rubygem-actionview 4.1.5-4.el7, rh-ror41-rubygem-activemodel 4.1.5-2.el7, rh-ror41-rubygem-activerecord 4.1.5-2.el7, rh-ror41-rubygem-activesupport 4.1.5-3.el7 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) rh-ror41-rubygem-actionpack 4.1.5-3.el6, rh-ror41-rubygem-actionview 4.1.5-4.el6, rh-ror41-rubygem-activemodel 4.1.5-2.el6, rh-ror41-rubygem-activerecord 4.1.5-2.el6, rh-ror41-rubygem-activesupport 4.1.5-3.el6 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-ror41-rubygem-actionpack 4.1.5-3.el6, rh-ror41-rubygem-actionview 4.1.5-4.el6, rh-ror41-rubygem-activemodel 4.1.5-2.el6, rh-ror41-rubygem-activerecord 4.1.5-2.el6, rh-ror41-rubygem-activesupport 4.1.5-3.el6 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) rh-ror41-rubygem-actionpack 4.1.5-3.el7, rh-ror41-rubygem-actionview 4.1.5-4.el7, rh-ror41-rubygem-activemodel 4.1.5-2.el7, rh-ror41-rubygem-activerecord 4.1.5-2.el7, rh-ror41-rubygem-activesupport 4.1.5-3.el7 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) rh-ror41-rubygem-actionpack 4.1.5-3.el7, rh-ror41-rubygem-actionview 4.1.5-4.el7, rh-ror41-rubygem-activemodel 4.1.5-2.el7, rh-ror41-rubygem-activerecord 4.1.5-2.el7, rh-ror41-rubygem-activesupport 4.1.5-3.el7
    +2 more products
    Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-ror41-rubygem-actionpack 4.1.5-3.el6, rh-ror41-rubygem-actionview 4.1.5-4.el6, rh-ror41-rubygem-activemodel 4.1.5-2.el6, rh-ror41-rubygem-activerecord 4.1.5-2.el6, rh-ror41-rubygem-activesupport 4.1.5-3.el6 Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-ror41-rubygem-actionpack 4.1.5-3.el7, rh-ror41-rubygem-actionview 4.1.5-4.el7, rh-ror41-rubygem-activemodel 4.1.5-2.el7, rh-ror41-rubygem-activerecord 4.1.5-2.el7, rh-ror41-rubygem-activesupport 4.1.5-3.el7
    fixed: vendor fix RHSA-2016:0296
  • Red Hat CloudForms Management Engine 5 ruby193-rubygem-activemodel, ruby193-rubygem-activerecord Red Hat OpenStack Foreman ruby193-rubygem-activerecord Red Hat Software Collections ror40-rubygem-activemodel, ror40-rubygem-activerecord, ruby193-rubygem-activemodel, ruby193-rubygem-activerecord Red Hat Subscription Asset Manager rubygem-activemodel, rubygem-activerecord, ruby193-rubygem-activemodel, ruby193-rubygem-activerecord
    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

7.16% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
rubygems activemodel
>=4.1.0, <4.1.14.1
>=4.2.0, <4.2.5.1
4.1.14.1
4.2.5.1

Classification

Weakness
  • CWE-20 Improper Input Validation
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.