CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NCVE-2018-3721
lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
Severity
- EPSS
- 2.3% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-1321, CWE-471
- Published
- Modified
- Record from
- the NVD, synced
Affected
- lodash:lodash
- netapp:active_iq_unified_manager
- netapp:system_manager
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-fvqr-27wr-82fm | npm | lodash | <4.17.5 | 4.17.5 |
| GHSA-fvqr-27wr-82fm | RubyGems | lodash-rails | <4.17.5 | 4.17.5 |