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CVE-2020-11645— GateManager Denial of Service Vulnerability

Quick assessment

Affected
B&R GateManager
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.

Secomea GateManager和Secomea SiteManager都是丹麦Secomea公司的产品。GateManager是一款远程访问服务器产品。Secomea SiteManager是一个应用软件。提供一个工业设备远程维护功能。 GateManager 和SiteManager 存在安全漏洞，攻击者可利用该漏洞使用经过身份验证的用户可以会反复触发GateManager实例的重新启动，从而限制了它们的可用性。以下产品及版本受到影响：SiteManager v9.2.620236042之前版本

CVSS 6.5 · Medium EPSS 1.35% · P70

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-11645

Vulnerability Information
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Vulnerability Title
GateManager Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A denial of service vulnerability in B&R GateManager 4260 and 9250 versions <9.0.20262 and GateManager 8250 versions <9.2.620236042 allows authenticated users to limit availability of GateManager instances.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Secomea GateManager 和 SiteManager 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Secomea GateManager和Secomea SiteManager都是丹麦Secomea公司的产品。GateManager是一款远程访问服务器产品。Secomea SiteManager是一个应用软件。提供一个工业设备远程维护功能。 GateManager 和SiteManager 存在安全漏洞，攻击者可利用该漏洞使用经过身份验证的用户可以会反复触发GateManager实例的重新启动，从而限制了它们的可用性。以下产品及版本受到影响：SiteManager v9.2.620236042之前版本
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
B&R GateManager 4260 ~ 9.0.20262 -

II. Public POCs for CVE-2020-11645

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III. Intelligence Information for CVE-2020-11645

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Vendor Advisories for CVE-2020-11645 (1)

Other References for CVE-2020-11645 (1)

Same Patch Batch · B&R · 2020-10-15 · 7 CVEs total

CVE-2020-11641 7.7 HIGH SiteManager Local File Inclusion Vulnerability
CVE-2020-11642 7.7 HIGH SiteManager Denial of Service via Local File Inclusion Vulnerability
CVE-2020-11643 6.5 MEDIUM GateManager Information Disclosure Vulnerability
CVE-2020-11644 6.5 MEDIUM GateManager Audit Message Spoofing Vulnerability
CVE-2020-11637 5.8 MEDIUM Automation Runtime TFTP Service DoS Vulnerability
CVE-2020-11646 4.3 MEDIUM GateManager Log Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: GateManager
Same vendor: B&R
Same weakness: CWE-400

V. Comments for CVE-2020-11645

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