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CVE-2021-23847— Unauthenticated Information Extraction Vulnerability

Quick assessment

Affected
Bosch CPP Firmware
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.

Bosch IP cameras是德国（Bosch）的网络相机 Bosch IP摄像机存在安全漏洞，该漏洞源于摄像机的关键功能中缺少身份验证，该漏洞允许未经身份验证的远程攻击者通过向设备发送精心制作的请求来提取敏感信息或更改摄像头设置。以下产品和版本受到影响：B128 之前的 7.70、7.72 和 7.80 的 CPP6、CPP7 和 CPP7.3 系列设备。

CVSS 9.8 · Critical EPSS 1.44% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23847

Vulnerability Information
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Vulnerability Title
Unauthenticated Information Extraction Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A Missing Authentication in Critical Function in Bosch IP cameras allows an unauthenticated remote attacker to extract sensitive information or change settings of the camera by sending crafted requests to the device. Only devices of the CPP6, CPP7 and CPP7.3 family with firmware 7.70, 7.72, and 7.80 prior to B128 are affected by this vulnerability. Versions 7.62 or lower and INTEOX cameras are not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Bosch IP cameras 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bosch IP cameras是德国（Bosch）的网络相机 Bosch IP摄像机存在安全漏洞，该漏洞源于摄像机的关键功能中缺少身份验证，该漏洞允许未经身份验证的远程攻击者通过向设备发送精心制作的请求来提取敏感信息或更改摄像头设置。以下产品和版本受到影响：B128 之前的 7.70、7.72 和 7.80 的 CPP6、CPP7 和 CPP7.3 系列设备。
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
Bosch CPP Firmware 7.70 -

II. Public POCs for CVE-2021-23847

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III. Intelligence Information for CVE-2021-23847

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Other References for CVE-2021-23847 (1)

Same Patch Batch · Bosch · 2021-06-09 · 5 CVEs total

CVE-2021-23848 8.3 HIGH Reflected XSS in URL handler
CVE-2021-23853 8.3 HIGH Improper Input Validation of HTTP Headers
CVE-2021-23854 8.3 HIGH Reflected XSS in page parameter
CVE-2021-23852 4.9 MEDIUM Denial of Service (DoS) due to invalid web parameter

IV. Related Vulnerabilities

Same product: CPP Firmware
Same vendor: Bosch
Same weakness: CWE-287

V. Comments for CVE-2021-23847

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