CVE-2018-3750
Prototype Pollution in deep-extend
9.8
CRITICAL
CVSS 3.1
EPSS 0.29%
Description
The utilities function in all versions <= 0.5.0 of the deep-extend node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.
How to fix CVE-2018-3750
To remediate CVE-2018-3750, upgrade the affected package to a fixed version below.
- —upgrade to 0.4.1-2 or later
- —upgrade to 0.5.1 or later
Is CVE-2018-3750 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.4.1-2
- from 0, < 0.5.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |