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CVE-2018-1104

28
FAUCET Score

CVE-2018-1104 is a high-severity vulnerability affecting Ansible Tower through version 3.2.3 and Red Hat CloudForms. It allows authenticated users with specific job template variable definition privileges to execute arbitrary code on the Tower server. This vulnerability has a CVSS score of 8.8, indicating a high impact on confidentiality, integrity, and availability, with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, nor are there publicly available exploit tools like Metasploit or Nuclei modules, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.2.3CPE matchmatch criteria
cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:*
4.5CPE matchmatch criteria
cpe:2.3:a:redhat:cloudforms:4.5:*:*:*:*:*:*:*
4.6CPE matchmatch criteria
cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.52%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0252 is in the 82nd percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 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 (20)

redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: rh-ruby23-rubygem-qpid_proton-0:0.22.0-2.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.8Fixed in: ansible-0:2.4.4.0-1.el7ae
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.8Fixed in: ansible-tower-0:3.1.7-1.el7at
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.8Fixed in: cfme-0:5.8.4.5-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.8Fixed in: cfme-appliance-0:5.8.4.5-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.8Fixed in: cfme-gemset-0:5.8.4.5-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.8Fixed in: python-paramiko-0:2.1.1-4.el7
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.8Fixed in: rh-ruby23-rubygem-json-0:2.1.0-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: ansible-0:2.4.4.0-1.el7ae
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: ansible-tower-0:3.2.4-1.el7at
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: cfme-0:5.9.2.4-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: cfme-amazon-smartstate-0:5.9.2.4-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: cfme-appliance-0:5.9.2.4-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: cfme-gemset-0:5.9.2.4-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: dbus-api-service-0:1.0.1-3.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: httpd-configmap-generator-0:0.2.1-2.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: postgresql96-0:9.6.6-1PGDG.el7
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: python-paramiko-0:2.1.1-4.el7
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.9Fixed in: rh-ruby23-rubygem-json-0:2.1.0-1.el7cf
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2018-1104Important

ansible-tower: Remote code execution by users with access to define variables in job templates

Apr 27, 2018

References

access.redhat.com / errata/RHSA-2018:1328
Vendor Advisory
access.redhat.com / errata/RHSA-2018:1972
Vendor Advisory
access.redhat.com / security/cve/cve-2018-1104
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory
ansible.com / security
Vendor Advisory