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CVE-2021-27663— CEM Systems AC2000

Quick assessment

Affected
Johnson Controls CEM Systems AC2000
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.

CEM Systems AC2000是英国的 一个门禁控制和安全管理系统。 CEM Systems AC2000 10.1至10.5版本存在安全漏洞，该漏洞源于在某些情况下应用程序不会对需要可证明用户身份的功能执行适当的授权检查。

CVSS 8.2 · High EPSS 1.67% · P75

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2021-27663

Vulnerability Information
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Vulnerability Title
CEM Systems AC2000
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in versions 10.1 through 10.5 of Johnson Controls CEM Systems AC2000 allows a remote attacker to access to the system without adequate authorization. This issue affects: Johnson Controls CEM Systems AC2000 10.1; 10.2; 10.3; 10.4; 10.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
CEM Systems AC2000 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CEM Systems AC2000是英国的 一个门禁控制和安全管理系统。 CEM Systems AC2000 10.1至10.5版本存在安全漏洞，该漏洞源于在某些情况下应用程序不会对需要可证明用户身份的功能执行适当的授权检查。
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 CEM Systems AC2000 10.1 ~ 10.5 -

II. Public POCs for CVE-2021-27663

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III. Intelligence Information for CVE-2021-27663

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Other References for CVE-2021-27663 (1)

IV. Related Vulnerabilities

Same vendor: Johnson Controls
Same weakness: CWE-285

V. Comments for CVE-2021-27663

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