5.3
CVSSv3

CVE-2020-7637

Published: 06/04/2020 Updated: 02/12/2022
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 5.3 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Vulnerability Summary

class-transformer prior to 0.3.1 allow malicious users to perform Prototype Pollution. The classToPlainFromExist function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Vulnerability Trend

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class-transformer project class-transformer