CVE-2023-51701

2024-01-0814:15:46

CWE-444

[email protected]

web.nvd.nist.gov

fastify

plugin

vulnerability

patched

version 9.6.0

reverse proxy

server

misinterpret

incoming body

security checks

contenttype

application/json

charset=utf-8

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

18.0%

JSON

fastify-reply-from is a Fastify plugin to forward the current HTTP request to another server. A reverse proxy server built with @fastify/reply-from could misinterpret the incoming body by passing an header ContentType: application/json ; charset=utf-8. This can lead to bypass of security checks. This vulnerability has been patched in '@fastify/reply-from` version 9.6.0.