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CVE-2020-37056: Authentication Bypass by Spoofing

🗓️ 30 Jan 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

IP spoofing in Crystal Shard http-protection 0.2.0 allows authentication bypass.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2020-37056
30 Jan 202622:07
–attackerkb
cnnvd
CNNVD
http-protection security vulnerabilities
30 Jan 202600:00
–cnnvd
cve
CVE
CVE-2020-37056
30 Jan 202622:07
–cve
cvelist
Cvelist
CVE-2020-37056 Crystal Shard http-protection 0.2.0 - IP Spoofing Bypass
30 Jan 202622:07
–cvelist
euvd
EUVD
EUVD-2020-30926
31 Jan 202600:30
–euvd
nvd
NVD
CVE-2020-37056
30 Jan 202623:16
–nvd
ptsecurity
Positive Technologies
PT-2026-5492
30 Jan 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2020-37056 Crystal Shard http-protection 0.2.0 - IP Spoofing Bypass
30 Jan 202622:07
–vulnrichment

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28 Jul 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46.9
CVSS 3.19.8
EPSS0.0057
SSVC
0