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 |
|---|---|---|---|---|
| 3.5 | Low | 3.1 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L | CNA (VulDB) |
- CISA KEV Not listed.
- EPSS 0.012, the 67th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-4whf-rmx5-8frv
- OSV: GHSA-4whf-rmx5-8frv
- nvd.nist.gov/vuln/detail/CVE-2021-4250
- github.com/cgriego/active_attr/issues/184
- github.com/cgriego/active_attr/pull/185
- github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d79377df
- github.com/cgriego/active_attr
- github.com/cgriego/active_attr/releases/tag/v0.15.3
- github.com/cgriego/active_attr/releases/tag/v0.15.4
- github.com/rubysec/ruby-advisory-db/blob/master/gems/active_attr/CVE-2021-4250.yml
- vuldb.com/?id.216207