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CVE-2021-23146

Quick assessment

Affected
Gallagher Command Center
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是新西兰Gallagher公司的一款用于Gallagher门禁系统的集中控制工具。 Gallagher Command Centre 存在安全漏洞，该漏洞允许攻击者绕过 PIV 验证。此问题影响： 8.40.1888 (MR3) 之前的 Gallagher Command Center 8.40 版本；8.30.1454 (MR3) 之前的 8.30 版本；8.20.1291 (MR5) 之前的 8.20 版本；8.10.1284 (MR7) 之前的 8.1

CVSS 7.1 · High EPSS 0.85% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23146

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An Incomplete Comparison with Missing Factors vulnerability in the Gallagher Controller allows an attacker to bypass PIV verification. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 versions prior to 8.30.1359 (MR3); 8.20 versions prior to 8.20.1259 (MR5); 8.10 versions prior to 8.10.1284 (MR7); version 8.00 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
缺失要素致使对比不完全
Source: CVE Program / CVE List V5
Vulnerability Title
Gallagher Command Centre 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gallagher Command Centre是新西兰Gallagher公司的一款用于Gallagher门禁系统的集中控制工具。 Gallagher Command Centre 存在安全漏洞，该漏洞允许攻击者绕过 PIV 验证。此问题影响： 8.40.1888 (MR3) 之前的 Gallagher Command Center 8.40 版本；8.30.1454 (MR3) 之前的 8.30 版本；8.20.1291 (MR5) 之前的 8.20 版本；8.10.1284 (MR7) 之前的 8.1
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 Center 8.40 prior to 8.40.1888 (MR3) -

II. Public POCs for CVE-2021-23146

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III. Intelligence Information for CVE-2021-23146

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Other References for CVE-2021-23146 (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-2021-23167 8.1 HIGH 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-2021-23197 5.2 MEDIUM Gallagher Command Centre Server 代码问题漏洞

IV. Related Vulnerabilities

Same vendor: Gallagher
Same weakness: CWE-1023

V. Comments for CVE-2021-23146

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