Improper input validation in Red Hat Ansible Runner
CVE-2021-4041
A flaw was found in ansible-runner. An improper escaping of the shell command, while calling the ansible_runner.interface.run_command, can lead to parameters getting executed as host's shell command. A developer could unintentionally write code that gets executed in the host rather than the virtual environment.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (23.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Red Hat Ansible Runner — versions 2.1.0
- Ansible-Runner — versions Fixed in ansible-runner 2.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- access.redhat.com/security/cve/CVE-2021-4041 (Vendor Advisory)
- github.com/ansible/ansible-runner/commit/3533f265f4349a3f2a0283158cd01b59a6bbc7… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-4041?
- CVE-2021-4041 is a high-severity vulnerability in Red Hat Ansible Runner, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-08-24.
- How severe is CVE-2021-4041?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-4041 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.