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CVE-2021-22276— free@home System Access Point FW integrity check can be bypassed.

Quick assessment

Affected
ABB System Access Point
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 Asea Brown Boveri Ltd ABB system access point是瑞典ABB Asea Brown Boveri Ltd公司的ABB-free@home™ 智能家居系统的控制中心。 free@home System Access Poing 存在安全漏洞，该漏洞源于软件的完整性检查存在问题。该漏洞允许攻击者利用该漏洞成功绕过完整性检查并上传文件。

CVSS 6.1 · Medium EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-22276

Vulnerability Information
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Vulnerability Title
free@home System Access Point FW integrity check can be bypassed.
Source: CVE Program / CVE List V5
Vulnerability Description
The vulnerability allows a successful attacker to bypass the integrity check of FW uploaded to the free@home System Access Point.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
ABB system access point 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB Asea Brown Boveri Ltd ABB system access point是瑞典ABB Asea Brown Boveri Ltd公司的ABB-free@home™ 智能家居系统的控制中心。 free@home System Access Poing 存在安全漏洞，该漏洞源于软件的完整性检查存在问题。该漏洞允许攻击者利用该漏洞成功绕过完整性检查并上传文件。
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 System Access Point 2CKA006200A0156 ~ 2.6.3 -
Busch-Jaeger System Access Point 2CKA006220A0031 ~ 2.6.3 -

II. Public POCs for CVE-2021-22276

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III. Intelligence Information for CVE-2021-22276

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Other References for CVE-2021-22276 (1)

IV. Related Vulnerabilities

Same vendor: ABB
Same weakness: CWE-200

V. Comments for CVE-2021-22276

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