CVE-2020-28481
Insecure Defaults
MEDIUM 4.3EPSS 0.7%
The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.
- Affected
- socket.io
- CVSS v3.1 NVD
- 4.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS v3.1 SNYK
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS v2.0 NVD
- 4.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N - EPSS
- 0.74% chance of exploitation in the next 30 days, 54th percentile
- Published
- 2021-01-19
- Updated
- 2024-09-16
Proof-of-concept exploits (1)
- socketio/socket.io/issues/367163220★ · 2026-09-29
Security advisories
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1056358
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1056357
- https://snyk.io/vuln/SNYK-JS-SOCKETIO-1024859
- advisories/GHSA-fxwf-4rqh-v8g3