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CVE-2021-23167

Quick assessment

Affected
Gallagher Command Centre
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.

Gallagher Command Centre Server是新西兰Gallagher公司的一个用于对建筑物内基础设施进行监控、管理的管理系统。 Gallagher 存在安全漏洞，该漏洞源于 SMTP 客户端中不正确的证书验证，该漏洞允许中间人攻击从命令中心服务器检索敏感信息。此问题影响： 8.50.2048 (MR3) 之前的 Gallagher Command Center 8.50 版本；8.40.2063 (MR4) 之前的 8.40 版本；8.30.1454 (MR4) 之前的 8.30 版本

CVSS 8.1 · High EPSS 0.40% · P32
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I. Basic Information for CVE-2021-23167

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper certificate validation vulnerability in SMTP Client allows man-in-the-middle attack to retrieve sensitive information from the Command Centre Server. This issue affects: Gallagher Command Centre 8.50 versions prior to 8.50.2048 (MR3); 8.40 versions prior to 8.40.2063 (MR4); 8.30 versions prior to 8.30.1454 (MR4) ; version 8.20 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Gallagher Command Centre Server信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gallagher Command Centre Server是新西兰Gallagher公司的一个用于对建筑物内基础设施进行监控、管理的管理系统。 Gallagher 存在安全漏洞，该漏洞源于 SMTP 客户端中不正确的证书验证，该漏洞允许中间人攻击从命令中心服务器检索敏感信息。此问题影响： 8.50.2048 (MR3) 之前的 Gallagher Command Center 8.50 版本；8.40.2063 (MR4) 之前的 8.40 版本；8.30.1454 (MR4) 之前的 8.30 版本
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
Gallagher Command Centre unspecified ~ 8.20 -

II. Public POCs for CVE-2021-23167

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III. Intelligence Information for CVE-2021-23167

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Other References for CVE-2021-23167 (1)

Same Patch Batch · Gallagher · 2021-11-18 · 6 CVEs total

CVE-2021-23155 9.0 CRITICAL Gallagher Command Centre Server 信任管理问题漏洞
CVE-2021-23193 8.1 HIGH Gallagher Command Centre Server 信息泄露漏洞
CVE-2021-23162 7.7 HIGH Gallagher Command Centre Server 信任管理问题漏洞
CVE-2021-23146 7.1 HIGH Gallagher Command Centre 安全漏洞
CVE-2021-23197 5.2 MEDIUM Gallagher Command Centre Server 代码问题漏洞

IV. Related Vulnerabilities

Same product: Command Centre
Same vendor: Gallagher
Same weakness: CWE-295

V. Comments for CVE-2021-23167

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