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CRITICAL · 10.0

CVE-2022-2421

Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitra...

Vulnerability Description

Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object.

CVSS Score

10.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SocketSocket.Io-Parser< 3.3.3

Related Weaknesses (CWE)

CWE-89

References

FAQ

What is CVE-2022-2421?

CVE-2022-2421 is a vulnerability with a CVSS score of 10.0 (CRITICAL). Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitra...

How severe is CVE-2022-2421?

CVE-2022-2421 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-2421?

Check the references section above for vendor advisories and patch information. Affected products include: Socket Socket.Io-Parser.