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I. Basic Information for CVE-2021-4300
Vulnerability Information

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Vulnerability Title
ghostlander Halcyon Block Verification main.cpp AddToBlockIndex access control
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been found in ghostlander Halcyon and classified as critical. Affected by this vulnerability is the function CBlock::AddToBlockIndex of the file src/main.cpp of the component Block Verification. The manipulation leads to improper access controls. The attack can be launched remotely. Upgrading to version 1.1.1.0-hal is able to address this issue. The identifier of the patch is 0675b25ae9cc10b5fdc8ea3a32c642979762d45e. It is recommended to upgrade the affected component. The identifier VDB-217417 was assigned to this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Halcyon 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Halcyon是John Doering个人开发者的一种去中心化的开源数字货币。 ghostlander Halcyon存在安全漏洞,该漏洞源于组件Block Verification的src/main.cpp文件中的函数CBlock::AddToBlockIndex,攻击者利用该漏洞可导致不正确的访问控制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
ghostlanderHalcyon n/a -
II. Public POCs for CVE-2021-4300
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III. Intelligence Information for CVE-2021-4300
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IV. Related Vulnerabilities
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