Vulnerability in Socket Socket.io
CVE-2020-28481
The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Socket Socket.io
- Socket.io — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- snyk.io/vuln/SNYK-JS-SOCKETIO-1024859 (Third Party Advisory)
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1056357 (Third Party Advisory)
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1056358 (Third Party Advisory)
- github.com/socketio/socket.io/issues/3671 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-28481?
- CVE-2020-28481 is a medium-severity vulnerability in Socket Socket.io, classified under Origin Validation Error. CVSS score: 5.3/10. Published 2021-01-19.
- How severe is CVE-2020-28481?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-28481 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.