CVE-2022-2421

CRITICAL

10.0

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.

CVE Details

CVSS v3.1 Score10.0

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published10/26/2022

Last Modified2/6/2026

Sourcenvd

Honeypot Sightings0

Affected Products

socket:socket.io-parser

Weaknesses (CWE)

CWE-89

References

https://csirt.divd.nl/CVE-2022-2421(csirt@divd.nl)

https://csirt.divd.nl/DIVD-2022-00045(csirt@divd.nl)

https://csirt.divd.nl/CVE-2022-2421(af854a3a-2127-422b-91ae-364da2661108)

https://csirt.divd.nl/DIVD-2022-00045(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.