Security Advisory

CVE-2020-37056

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-01-30 22:07:19
Last updated 2026-07-28 01:47:08
Assigner VulnCheck
CVSS score 6.9
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.