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CVE-2021-22272— ControlTouch Cloud Service vulnerability: Serial Number can be misused during commissioning phase.

Quick assessment

Affected
ABB mybuildings.abb.com
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.

ABB Mybuildings是瑞士ABB公司的一个为智能家居系统提供创新化的解决方案。 ABB Mybuildings 中存在代码问题漏洞，该漏洞源于产品允许通过输入序列号将设备虚拟的转移至my.busch-jaeger.de 或 mybuildings.abb.com。攻击者可通过该漏洞获得远程控制权限。

CVSS 6.5 · Medium EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-22272

Vulnerability Information
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Vulnerability Title
ControlTouch Cloud Service vulnerability: Serial Number can be misused during commissioning phase.
Source: CVE Program / CVE List V5
Vulnerability Description
The vulnerability origins in the commissioning process where an attacker of the ControlTouch can enter a serial number in a specific way to transfer the device virtually into her/his my.busch-jaeger.de or mybuildings.abb.com profile. A successful attacker can observe and control a ControlTouch remotely under very specific circumstances. The issue is fixed in the cloud side of the system. No firmware update is needed for customer products. If a user wants to understand if (s)he is affected, please read the advisory. This issue affects: ABB and Busch-Jaeger, ControlTouch
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
ABB Mybuildings 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB Mybuildings是瑞士ABB公司的一个为智能家居系统提供创新化的解决方案。 ABB Mybuildings 中存在代码问题漏洞，该漏洞源于产品允许通过输入序列号将设备虚拟的转移至my.busch-jaeger.de 或 mybuildings.abb.com。攻击者可通过该漏洞获得远程控制权限。
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
ABB mybuildings.abb.com 2021-05-03 ~ 2021-05-03 -
Busch-Jaeger my.busch-jaeger.de 2021-05-03 ~ 2021-05-03 -

II. Public POCs for CVE-2021-22272

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III. Intelligence Information for CVE-2021-22272

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Other References for CVE-2021-22272 (1)

IV. Related Vulnerabilities

Same vendor: ABB
Same weakness: CWE-200

V. Comments for CVE-2021-22272

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