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CVE-2022-2421
Published: Oct 25, 2022
Modified: Mar 11, 2025
PUBLISHED
CVSS v3.1
10.0
CRITICAL
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.
| Vendor | Product | Versions |
|---|---|---|
Socket.io | Socket.io-Parser | affected 4.x - < 4.2.1 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
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
References
https://csirt.divd.nl/CVE-2022-2421
third-party-advisory
https://csirt.divd.nl/DIVD-2022-00045
third-party-advisory
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