Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.58, the 99th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-46f2-3v63-3xrp
- OSV: GHSA-46f2-3v63-3xrp
- nvd.nist.gov/vuln/detail/CVE-2021-28966
- github.com/ruby/tmpdir/pull/8
- github.com/ruby/tmpdir/commit/93798c01cb7c10476e50a4d80130a329ba47f348
- hackerone.com/reports/1131465
- github.com/ruby/tmpdir
- github.com/rubysec/ruby-advisory-db/blob/master/gems/tmpdir/CVE-2021-28966.yml
- rubygems.org/gems/tmpdir
- security.netapp.com/advisory/ntap-20210902-0004
- www.ruby-lang.org/en/news/2021/04/05/tempfile-path-traversal-on-windows-cve-2021-28966