CVE-2021-3701A flaw was found in ansible-runner where the default temporary files configuration in ansible-2.0.0 are written to world R/W locations.…
- 6.6MediumCVSS base score
- 0.29%Exploitation in 30 daysEPSS · top 78% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 13 months later
· 13 months later
Published
- 24 months later
· 24 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.6 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.29% · top 78% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.6.
Affected products
ansible-runner
- affected Affects ansible-runner 2.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIansible-runnerGHSA-wwch-cmqr-hhrm (opens in a new tab)
References
References4
- https://bugzilla.redhat.com/show_bug.cgi?id=1977959 (opens in a new tab)x_refsource_MISCx_transferred
- https://access.redhat.com/security/cve/CVE-2021-3701 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/ansible/ansible-runner/issues/738 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/ansible/ansible-runner/pull/742/commits (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-0004 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-wwch-cmqr-hhrm (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-3701)Record last updated .