CVE-2021-20253
Last modified
CVE-2021-20253 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilege from a low privileged user to the awx user from outside the isolated environment. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
Description
A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilege from a low privileged user to the awx user from outside the isolated environment. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Ansible Tower | < 3.6.7 |
| Redhat | Ansible Tower | >= 3.7.0, < 3.7.5 |
| Redhat | Ansible Tower | >= 3.8.0, < 3.8.2 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1928847Issue Tracking, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1928847Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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