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I. Basic Information for CVE-2022-21221
Vulnerability Information

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Vulnerability Title
Directory Traversal
Source: NVD (National Vulnerability Database)
Vulnerability Description
The package github.com/valyala/fasthttp before 1.34.0 are vulnerable to Directory Traversal via the ServeFile function, due to improper sanitization. It is possible to be exploited by using a backslash %5c character in the path. **Note:** This security issue impacts Windows users only.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
fasthttp 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
fasthttp是Go 的快速 HTTP 实现。 fasthttp 1.34.0之前版本存在安全漏洞,该漏洞源于ServerFile函数缺少有效的过滤转义,导致目录遍历。攻击者可以发送“/%5c”字符利用该漏洞实现目录遍历。
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
-github.com/valyala/fasthttp unspecified ~ 1.34.0 -
II. Public POCs for CVE-2022-21221
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III. Intelligence Information for CVE-2022-21221
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IV. Related Vulnerabilities
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