CVE-2018-1104
CVE-2018-1104 is a high-severity vulnerability in Redhat Ansible Tower with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Redhat Ansible Tower
- Published:
- Last modified:
Description
Ansible Tower through version 3.2.3 has a vulnerability that allows users only with access to define variables for a job template to execute arbitrary code on the Tower server.
Frequently asked questions
- What is CVE-2018-1104?
- Ansible Tower through version 3.2.3 has a vulnerability that allows users only with access to define variables for a job template to execute arbitrary code on the Tower server.
- How severe is CVE-2018-1104?
- CVE-2018-1104 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-1104 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-1104?
- CVE-2018-1104 primarily affects Redhat Ansible Tower. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-1104?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-1104 published?
- CVE-2018-1104 was published on 2018-05-02 and last updated on 2026-06-17.
References
- https://access.redhat.com/errata/RHSA-2018:1328
- https://access.redhat.com/errata/RHSA-2018:1972
- https://access.redhat.com/security/cve/cve-2018-1104
- https://bugzilla.redhat.com/show_bug.cgi?id=1565862
- https://www.ansible.com/security
Affected products (3)
- cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:cloudforms:4.5:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:*
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