VULNERABILITY INTELLIGENCE
CVE-2022-2421
CVSS score10 CRITICAL
EPSS probability1.43%
CISA KEVNot currently listed
Published2022-10-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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.
Weakness classification
- csirt@divd.nl: CWE-89
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- csirt@divd.nl — Third Party Advisory
- csirt@divd.nl — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory