CVE-2020-28481

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-346

Affected software

Vendor	Product	Versions
n/a	socket.io	>= unspecified, < 2.4.0

References

https://github.com/socketio/socket.io/issues/3671Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1056358Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1056357Third Party Advisory
https://snyk.io/vuln/SNYK-JS-SOCKETIO-1024859Third Party Advisory
https://github.com/socketio/socket.io/issues/3671Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1056358Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1056357Third Party Advisory
https://snyk.io/vuln/SNYK-JS-SOCKETIO-1024859Third Party Advisory

Timeline

Published: Jan 19, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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