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CVE-2021-27660— C-CURE 9000

Quick assessment

Affected
Johnson Controls C-CURE 9000
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Johnson Controls C-CURE是美国江森自控（Johnson Controls）公司的一个站点服务器。适用于需要多达 64 个读卡器的小型站点的经济高效的访问控制解决方案。 Johnson Controls C-CURE 9000 中存在输入验证错误漏洞，该漏洞源于设备的自动更新特性，攻击者可通过该漏洞执行低权限的程序。

CVSS 8.8 · High EPSS 2.10% · P80

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-27660

Vulnerability Information
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Vulnerability Title
C-CURE 9000
Source: CVE Program / CVE List V5
Vulnerability Description
An insecure client auto update feature in C-CURE 9000 can allow remote execution of lower privileged Windows programs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Johnson Controls C-CURE 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Johnson Controls C-CURE是美国江森自控（Johnson Controls）公司的一个站点服务器。适用于需要多达 64 个读卡器的小型站点的经济高效的访问控制解决方案。 Johnson Controls C-CURE 9000 中存在输入验证错误漏洞，该漏洞源于设备的自动更新特性，攻击者可通过该漏洞执行低权限的程序。
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

Vendor Product Affected Versions CPE Subscribe
Johnson Controls C-CURE 9000 All versions of C-CURE 9000 prior to 2.80 ~ 2.80 -

II. Public POCs for CVE-2021-27660

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-27660

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Vendor Advisories for CVE-2021-27660 (1)

IV. Related Vulnerabilities

Same vendor: Johnson Controls
Same weakness: CWE-20

V. Comments for CVE-2021-27660

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