← back
CVE-2022-2421

Socket.io - Improper type validation in attachment parsing

CVSS 10 CRITICALEPSS 1.1%CWE-89
Vexday Risk Score
28Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 10EPSS 1.1%KEV nãoPoC Nuclei Metasploit Patch
Lifecycle
25 Oct 2022Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H