What is CVE-2021-4041?

CVE-2021-4041 is a high-severity vulnerability in Redhat 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.

Improper input validation in Redhat 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)

EPSS: 0.003 (23.3th percentile) — read the EPSS interpretation.

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.

Affected products

Redhat Ansible_runner — versions 2.1.0
N/a Ansible-runner — versions Fixed in ansible-runner 2.1.0

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

secalert@redhat.com (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
secalert@redhat.com (x_refsource_MISC, Vendor Advisory)
secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-4041?: CVE-2021-4041 is a high-severity vulnerability in Redhat 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.