Vulnerability · Published Jan 19, 2021 · Assigned by snyk
CVE-2020-28481Insecure Defaults
Medium 5.3
In plain English
A medium-severity security flaw in socket.io. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 45.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | socket.io | 2.4.0 | GHSA-fxwf-4rqh-v8g3 |
Affected products (as reported)
References
- https://snyk.io/vuln/SNYK-JS-SOCKETIO-1024859 x_refsource_MISC
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1056357 x_refsource_MISC
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1056358 x_refsource_MISC
- https://github.com/socketio/socket.io/issues/3671 x_refsource_MISC