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I. Basic Information for CVE-2021-37704
Vulnerability Information
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Vulnerability Title
Exposed phpinfo() in PhpFastCache
Source: NVD (National Vulnerability Database)
Vulnerability Description
PhpFastCache is a high-performance backend cache system (packagist package phpfastcache/phpfastcache). In versions before 6.1.5, 7.1.2, and 8.0.7 the `phpinfo()` can be exposed if the `/vendor` is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc). Only the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5. Older versions such as v5, v4 are not longer supported and will **NOT** be patched. As a workaround, protect the `/vendor` directory from public access.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
phpfastcache 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
phpfastcache是一套后端缓存系统。 PhpFastCache存在信息泄露漏洞，该漏洞源于软件对于"vendor"目录缺乏有效的访问保护，导致攻击者可以访问"phpinfo()"。
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
PHPSocialNetworkphpfastcache < 6.1.5 -
II. Public POCs for CVE-2021-37704
#POC DescriptionSource LinkShenlong Link
1phpinfo() is susceptible to resource exposure in unprotected composer vendor folders via phpfastcache/phpfastcache.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-37704.yamlPOC Details
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III. Intelligence Information for CVE-2021-37704
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IV. Related Vulnerabilities
Same product: phpfastcache
Same vendor: PHPSocialNetwork
Same weakness: CWE-200
V. Comments for CVE-2021-37704

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