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.

INFO

Published Date :

2026-01-30T22:07:19.891Z

Last Modified :

2026-02-02T20:07:10.914Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2020-37056 vulnerability.

Vendors Products
Crystal Shard
  • Http-protection
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2020-37056.

URL Resource
https://github.com/rogeriozambon/http-protection cve-icon cve-icon
https://www.exploit-db.com/exploits/48533 cve-icon cve-icon
https://www.vulncheck.com/advisories/crystal-shard-http-protection-ip-spoofing-bypass cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact