CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-23663
Critical (9.8) in sey project sey. EPSS 1.2% chance of exploitation in the next 30 days.
All versions of package sey are vulnerable to Prototype Pollution via the deepmerge() function.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-11-01)
- CWE
- CWE-1321
- Published
- Modified
- Record from
- the NVD, synced
Affected
- sey_project:sey
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-wjpc-cgvw-xx23 | npm | sey | <=0.3.0 | no fix published |