CVE-2020-28481
CORS misconfiguration in socket.io
4.3
MEDIUM
CVSS 3.1
EPSS 0.18%
Description
The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.
How to fix CVE-2020-28481
To remediate CVE-2020-28481, upgrade the affected package to a fixed version below.
- npm/socket.io—upgrade to 2.4.0 or later
Is CVE-2020-28481 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.4.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |