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CVE-2020-7357— Cayin CMS Command Injection

Quick assessment

Affected
Cayin Technology Cayin CMS-SE
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CAYIN Technology CMS是中国台湾铠应科技（CAYIN Technology）公司的一套内容管理系统（CMS）。 CAYIN Technology CMS中的system.cgi文件存在操作系统命令注入漏洞。远程攻击者可借助‘NTP_Server_IP’参数利用该漏洞以root用户身份执行注入的任意shell命令。以下产品及版本受到影响：CAYIN Technology CME-SE；CMS-60；CMS-40；CMS-20；CMS。

CVSS 9.6 · Critical EPSS 32.09% · P98

Public Exploits 1

Metasploit · 1 cayin_cms_ntp.rb [exploit]
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I. Basic Information for CVE-2020-7357

Vulnerability Information
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Vulnerability Title
Cayin CMS Command Injection
Source: CVE Program / CVE List V5
Vulnerability Description
Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability using default credentials. This can be exploited to inject and execute arbitrary shell commands as the root user through the 'NTP_Server_IP' HTTP POST parameter in system.cgi page. This issue affects several branches and versions of the CMS application, including CME-SE, CMS-60, CMS-40, CMS-20, and CMS version 8.2, 8.0, and 7.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
CAYIN Technology CMS 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CAYIN Technology CMS是中国台湾铠应科技（CAYIN Technology）公司的一套内容管理系统（CMS）。 CAYIN Technology CMS中的system.cgi文件存在操作系统命令注入漏洞。远程攻击者可借助‘NTP_Server_IP’参数利用该漏洞以root用户身份执行注入的任意shell命令。以下产品及版本受到影响：CAYIN Technology CME-SE；CMS-60；CMS-40；CMS-20；CMS。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Cayin Technology Cayin CMS-SE 11.0 Build 19179 ~ 11.0 Build 19179 -
Cayin Technology Cayin CMS-60 11.0 Build 19025 ~ 11.0 Build 19025 -
Cayin Technology Cayin CMS-40 9.0 Build 14917 ~ 9.0 Build 14917 -
Cayin Technology Cayin CMS-20 9.0 Build 14917 ~ 9.0 Build 14917 -
Cayin Technology Cayin CMS 8.2 Build 12199 -

II. Public POCs for CVE-2020-7357

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III. Intelligence Information for CVE-2020-7357

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Patches & Fixes for CVE-2020-7357 (1)

Vendor Advisories for CVE-2020-7357 (1)

News Coverage for CVE-2020-7357 (1)

IV. Related Vulnerabilities

Same vendor: Cayin Technology
Same weakness: CWE-78

V. Comments for CVE-2020-7357

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