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CVE-2026-20757

Quick assessment

Affected
Gallagher Command Centre Server
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 Command Centre Server存在安全漏洞，该漏洞源于锁定不当，可能导致特权操作员造成有限的拒绝服务。以下版本受到影响：9.40 vEL9.40.1976(MR1)之前版本、9.30 vEL9.30.3382 (MR4)之前版本、9.20 vEL9.20.3783 (MR6)之前版本、9.10 vEL9.10.4647 (MR9

CVSS 2.5 · Low EPSS 0.07% · P0
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I. Basic Information for CVE-2026-20757

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service in the Command Centre Server. This issue affects Command Centre Server: 9.40 prior to vEL9.40.1976(MR1), 9.30 prior to vEL9.30.3382 (MR4), 9.20 prior to vEL9.20.3783 (MR6), 9.10 prior to vEL9.10.4647 (MR9), all versions of 9.00 and prior.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
加锁机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Gallagher Command Centre Server 安全漏洞
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 Command Centre Server存在安全漏洞，该漏洞源于锁定不当，可能导致特权操作员造成有限的拒绝服务。以下版本受到影响：9.40 vEL9.40.1976(MR1)之前版本、9.30 vEL9.30.3382 (MR4)之前版本、9.20 vEL9.20.3783 (MR6)之前版本、9.10 vEL9.10.4647 (MR9
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 Server 0 ~ 9.00 -

II. Public POCs for CVE-2026-20757

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III. Intelligence Information for CVE-2026-20757

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Vendor Advisories for CVE-2026-20757 (1)

Same Patch Batch · Gallagher · 2026-03-03 · 3 CVEs total

CVE-2025-47147 5.7 MEDIUM Gallagher Command Centre Mobile Client 安全漏洞
CVE-2026-20801 5.6 MEDIUM Gallagher NxWitness VMS 安全漏洞

IV. Related Vulnerabilities

Same product: Command Centre Server
Same vendor: Gallagher
Same weakness: CWE-667

V. Comments for CVE-2026-20757

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