CVE-2021-23663

MEDIUM

sey - Prototype Pollution via deepmerge()

Title source: llm
STIX 2.1

Description

All versions of package sey are vulnerable to Prototype Pollution via the deepmerge() function.

References (1)

Core 1
Core References
Exploit, Mitigation, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JS-SEY-1727592

Scores

CVSS v3 6.5
EPSS 0.0117
EPSS Percentile 63.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Details

CWE
CWE-1321
Status published
Products (2)
npm/sey 0npm
sey_project/sey
Published Dec 10, 2021
Tracked Since Feb 18, 2026