RCE in Red Hat Ansible
CVE-2020-1734
A flaw was found in the pipe lookup plugin of ansible. Arbitrary commands can be run, when the pipe lookup plugin uses subprocess.Popen() with shell=True, by overwriting ansible facts and the variable is not escaped by quote plugin. An attacker could take advantage and run arbitrary commands by overwriting the ansible facts.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.005 (39.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Red Hat Ansible
- Red Hat Ansible Engine — versions 2.8.8, 2.9.5
- Red Hat Ansible Tower — versions 3.4.5, 3.5.5, 3.6.3
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/ansible/ansible/issues/67792 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-1734?
- CVE-2020-1734 is a high-severity vulnerability in Red Hat Ansible, classified under OS Command Injection. CVSS score: 7.4/10. Published 2020-03-03.
- How severe is CVE-2020-1734?
- High severity. CVSS v3 base score is 7.4 out of 10.