CVE-2021-3701
CVE-2021-3701 is a medium-severity vulnerability in Redhat Ansible Runner with a CVSS 3.x base score of 6.6. 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-276.
Key facts
- Severity: Medium (CVSS 3.x base score 6.6)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-276
- Affected product: Redhat Ansible Runner
- Published:
- Last modified:
Description
A flaw was found in ansible-runner where the default temporary files configuration in ansible-2.0.0 are written to world R/W locations. This flaw allows an attacker to pre-create the directory, resulting in reading private information or forcing ansible-runner to write files as the legitimate user in a place they did not expect. The highest threat from this vulnerability is to confidentiality and integrity.
Frequently asked questions
- What is CVE-2021-3701?
- A flaw was found in ansible-runner where the default temporary files configuration in ansible-2.0.0 are written to world R/W locations. This flaw allows an attacker to pre-create the directory, resulting in reading private information or forcing ansible-runner to write files as the legitimate user in a place they did not expect. The highest threat from this vulnerability is to confidentiality and integrity.
- How severe is CVE-2021-3701?
- CVE-2021-3701 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2021-3701 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-3701?
- CVE-2021-3701 affects Redhat Ansible Runner. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-3701?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-3701 published?
- CVE-2021-3701 was published on 2022-08-23 and last updated on 2026-06-17.
References
- https://access.redhat.com/security/cve/CVE-2021-3701
- https://bugzilla.redhat.com/show_bug.cgi?id=1977959
- https://github.com/ansible/ansible-runner/issues/738
- https://github.com/ansible/ansible-runner/pull/742/commits
Affected products (1)
- cpe:2.3:a:redhat:ansible_runner:2.0.0:-:*:*:*:*:*:*
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