Medium severity · published Jan 19, 2021
CVE-2020-28481
The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration
4.3
CVSS
0.7%
EPSS
No
On KEV
Description
The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SO
Socket.io · Socket
before 2.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-28481
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-28481
Exploit
https://github.com/socketio/socket.io/issues/3671
Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1056358
Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1056357
Third Party Advisory
https://snyk.io/vuln/SNYK-JS-SOCKETIO-1024859
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