CVE-2016-3693

26

FAUCET Score

CVE-2016-3693 describes a sensitive information disclosure vulnerability in the Safemode gem for Ruby, specifically versions prior to 1.2.4, when initialized with a Rails controller as a delegate object. This vulnerability carries a high CVSS score of 8.1, indicating a critical risk due to its network-based attack vector, high impact on confidentiality, integrity, and availability, and low attack complexity. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 1.2.3CPE matchmatch criteria	cpe:2.3:a:safemode_project:safemode::::::ruby::*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.2

Impact Score

5.9

CvssVersion

3.0

Exploit Intelligence

EPSS Score

2.13%

Probability of exploitation in next 30 days

EPSS Percentile

80.0%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.0213 is in the 37th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (70)

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_csv-0:2.3.0-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: candlepin-0:2.1.14-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: foreman-0:1.15.6.34-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: foreman-bootloaders-redhat-0:201801241201-2.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: foreman-discovery-image-0:3.4.4-1

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: foreman-installer-1:1.15.6.8-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: foreman-proxy-0:1.15.6.4-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: foreman-selinux-0:1.15.6.2-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: hiera-0:1.3.1-2.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: katello-0:3.4.5-15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: katello-certs-tools-0:2.4.0-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: katello-client-bootstrap-0:1.5.1-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: katello-installer-base-0:3.4.5.26-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: katello-selinux-0:3.0.2-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: kobo-0:0.5.1-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: pulp-0:2.13.4.6-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: pulp-docker-0:2.4.1-2.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: pulp-katello-0:1.0.2-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: pulp-ostree-0:1.2.1.1-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: pulp-puppet-0:2.13.4-3.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: pulp-rpm-0:2.13.4.8-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: puppet-foreman_scap_client-0:0.3.16-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: python-zope-interface-0:4.0.5-4.el7

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: redhat-access-insights-puppet-0:0.0.9-2.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-foreman_scap_client-0:0.3.0-2.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-kafo-0:2.0.2-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-kafo_parsers-0:0.1.6-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-kafo_wizards-0:0.0.1-2.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-smart_proxy_dhcp_remote_isc-0:0.0.2.1-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-smart_proxy_discovery-0:1.0.4-3.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-smart_proxy_discovery_image-0:1.0.9-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-smart_proxy_dynflow-0:0.1.10-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-smart_proxy_openscap-0:0.6.9-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-smart_proxy_pulp-0:1.3.0-1.git.0.b5c2768.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-smart_proxy_remote_execution_ssh-0:0.1.6-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: rubygem-tilt-0:1.3.7-2.git.0.3b416c9.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: satellite-0:6.3.0-23.0.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: satellite-installer-0:6.3.0.12-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-bastion-0:5.1.1.4-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_bootdisk-0:10.0.2.2-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_discovery-0:9.1.5.3-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_docker-0:3.1.0.3-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_hooks-0:0.3.14-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_openscap-0:0.7.11-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman-redhat_access-0:2.0.13-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_remote_execution-0:1.3.7.2-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_remote_execution_core-0:1.0.6-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman-tasks-0:0.9.6.4-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman-tasks-core-0:0.1.8-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_templates-0:5.0.1-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_theme_satellite-0:1.0.4.16-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-foreman_virt_who_configure-0:0.1.9-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli-0:0.11.0.1-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_katello-0:0.11.3.5-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-katello-0:3.4.5.58-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-ovirt_provision_plugin-0:1.0.2-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-smart_proxy_dynflow_core-0:0.1.10-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_foreman-0:0.11.0.5-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_foreman_admin-0:0.0.8-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_foreman_bootdisk-0:0.1.3.3-2.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_foreman_discovery-0:1.0.0-1.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_foreman_docker-0:0.0.6-2.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_foreman_openscap-0:0.1.5-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_foreman_remote_execution-0:0.0.6-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_foreman_tasks-0:0.0.12-1.fm1_15.el7sat

redhatpatch availablevia redhat_api

Product: Red Hat Satellite 6.3 for RHEL 7Fixed in: tfm-rubygem-hammer_cli_foreman_virt_who_configure-0:0.0.3-1.el7sat

rubygemspatch availablevia ghsa

Product: safemodeFixed in: 1.2.4

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux OpenStack Platform 6 (Juno) InstallerFixed in: foreman

redhatend of lifevia redhat_api

Product: OpenStack ForemanFixed in: foreman

redhatend of lifevia redhat_api

Product: Red Hat Ceph Storage 1.3Fixed in: foreman

Vendor Advisories (2)

rubygemsGHSA-c92m-rrrc-q5wfhigh

safemode gem allows context-dependent attackers to obtain sensitive information via the inspect method

redhatCVE-2016-3693Moderate

foreman: inspect in a provisioning template exposes sensitive controller information

References

projects.theforeman.org / issues/14635

rubysec.com / advisories/CVE-2016-3693

Vendor Advisory

access.redhat.com / errata/RHSA-2018:0336

github.com / svenfuchs/safemode/commit/0f764a1720a3a68fd2842e21377c8bfad6d7126f

github.com / theforeman/foreman/commit/82f9b93c54f72c5814df6bab7fad057eab65b2f2

theforeman.org / security.html

openwall.com / lists/oss-security/2016/04/20/8