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I. Basic Information for CVE-2021-21311
Vulnerability Information

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Vulnerability Title
SSRF in adminer
Source: NVD (National Vulnerability Database)
Vulnerability Description
Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
SOURCEFORGE Adminer 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SOURCEFORGE Adminer是美国SOURCEFORGE社区的一个应用软件。提供单个PHP文件中的数据库管理。 SOURCEFORGE Adminer 中存在代码问题漏洞,该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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
vranaadminer >= 4.0.0, < 4.7.9 -
II. Public POCs for CVE-2021-21311
#POC DescriptionSource LinkShenlong Link
1Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.https://github.com/llhala/CVE-2021-21311POC Details
2Nonehttps://github.com/omoknooni/CVE-2021-21311POC Details
3Adminer before 4.7.9 is susceptible to server-side request forgery due to exposure of sensitive information in error messages. Users of Adminer versions bundling all drivers, e.g. adminer.php, are affected. An attacker can possibly obtain this information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21311.yamlPOC Details
4Nonehttps://github.com/Threekiii/Awesome-POC/blob/master/Web%E5%BA%94%E7%94%A8%E6%BC%8F%E6%B4%9E/Adminer-SSRF%E6%BC%8F%E6%B4%9E%20CVE-2021-21311.mdPOC Details
5Nonehttps://github.com/Threekiii/Awesome-POC/blob/master/Web%E5%BA%94%E7%94%A8%E6%BC%8F%E6%B4%9E/Adminer%20ElasticSearch%20%E5%92%8C%20ClickHouse%20%E9%94%99%E8%AF%AF%E9%A1%B5%E9%9D%A2SSRF%E6%BC%8F%E6%B4%9E%20CVE-2021-21311.mdPOC Details
6https://github.com/vulhub/vulhub/blob/master/adminer/CVE-2021-21311/README.mdPOC Details
7A secure, zero-trust database management tool for WordPress. Fixes critical SSRF vulnerabilities (CVE-2021-21311) by enforcing local connections only.https://github.com/Sudo-WP/sudowp-adminerPOC Details
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III. Intelligence Information for CVE-2021-21311
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IV. Related Vulnerabilities
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