CVE-2018-3721
Prototype Pollution in lodash
6.5
MEDIUM
CVSS 3.1
EPSS 0.25%
Description
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.
How to fix CVE-2018-3721
To remediate CVE-2018-3721, upgrade the affected package to a fixed version below.
- —upgrade to 4.17.11+dfsg-1 or later
- —upgrade to 4.17.5 or later
- —upgrade to 4.17.5 or later
Is CVE-2018-3721 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 4.17.11+dfsg-1
- from 0, < 4.17.5
- from 0, < 4.17.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |