CVE-2020-37056

Publication date

2026-01-30 22:07:19

Family

VulnCheck

State

PUBLISHED

Description

Crystal Shard http-protection 0.2.0 contains an IP spoofing vulnerability that allows attackers to bypass protection middleware by manipulating request headers. Attackers can hardcode consistent IP values across X-Forwarded-For, X-Client-IP, and X-Real-IP headers to circumvent security checks and gain unauthorized access.