CVE-2019-20149
Validation Bypass in kind-of
7.5
HIGH
CVSS 3.1
EPSS 0.21%
Description
ctorName in index.js in kind-of v6.0.2 allows external user input to overwrite certain internal attributes via a conflicting name, as demonstrated by 'constructor': {'name':'Symbol'}. Hence, a crafted payload can overwrite this builtin attribute to manipulate the type detection result.
How to fix CVE-2019-20149
To remediate CVE-2019-20149, upgrade the affected package to a fixed version below.
- —upgrade to 6.0.3+dfsg-1 or later
- —upgrade to 6.0.3 or later
Is CVE-2019-20149 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.0.3+dfsg-1
- >= 6.0.0, < 6.0.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |