CVE-2021-23700
9.8 criticalEPSS 1.2%
Critical (9.8) in merge-deep2 project merge-deep2. EPSS 1.2% chance of exploitation in the next 30 days.
All versions of package merge-deep2 are vulnerable to Prototype Pollution via the mergeDeep() function.
Severity
CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1321
- Published
- Modified
- Record from
- the NVD, synced
Affected
- merge-deep2_project:merge-deep2
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|
| GHSA-j28q-p8ww-cp87 | npm | merge-deep2 | <=3.0.6 | no fix published |
References
Check your stackJSON