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CVE-2024-42467— CometVisu Backend for openHAB affected by SSRF/XSS

Quick assessment

Affected
openhab openhab-webui
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

openHAB是openHAB开源的一款家庭自动化应用程序。 openHAB 4.2.1之前版本存在安全漏洞，该漏洞源于无需身份验证即可访问附加组件的代理端点，在非私有网络中，此代理功能可用作服务器请求伪造，以诱导对内部服务器的GET HTTP请求。此代理还可用作跨站脚本攻击，即使服务器位于私有网络中，仍允许攻击者利用服务器上的调用端点。

CVSS 10.0 · Critical EPSS 1.04% · P63

Affected Version Matrix 1

VendorProduct Version RangeStatus
openhab openhab-webui >= 3.4.0.M4, < 4.2.1 affected
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I. Basic Information for CVE-2024-42467

Vulnerability Information
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Vulnerability Title
CometVisu Backend for openHAB affected by SSRF/XSS
Source: CVE Program / CVE List V5
Vulnerability Description
openHAB, a provider of open-source home automation software, has add-ons including the visualization add-on CometVisu. In versions 3.4.0.M4 through 4.2.0,, the proxy endpoint of openHAB's CometVisu add-on can be accessed without authentication. This proxy-feature can be exploited as Server-Side Request Forgery (SSRF) to induce GET HTTP requests to internal-only servers, in case openHAB is exposed in a non-private network. Furthermore, this proxy-feature can also be exploited as a Cross-Site Scripting (XSS) vulnerability, as an attacker is able to re-route a request to their server and return a page with malicious JavaScript code. Since the browser receives this data directly from the openHAB CometVisu UI, this JavaScript code will be executed with the origin of the CometVisu UI. This allows an attacker to exploit call endpoints on an openHAB server even if the openHAB server is located in a private network. (e.g. by sending an openHAB admin a link that proxies malicious JavaScript.) This issue may lead up to Remote Code Execution (RCE) when chained with other vulnerabilities. Users should upgrade to version 4.2.1 of the CometVisu add-on of openHAB to receive a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
openHAB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openHAB是openHAB开源的一款家庭自动化应用程序。 openHAB 4.2.1之前版本存在安全漏洞，该漏洞源于无需身份验证即可访问附加组件的代理端点，在非私有网络中，此代理功能可用作服务器请求伪造，以诱导对内部服务器的GET HTTP请求。此代理还可用作跨站脚本攻击，即使服务器位于私有网络中，仍允许攻击者利用服务器上的调用端点。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
openhab openhab-webui >= 3.4.0.M4, < 4.2.1 -

II. Public POCs for CVE-2024-42467

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8553 chars
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III. Intelligence Information for CVE-2024-42467

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Patches & Fixes for CVE-2024-42467 (1)

Same Patch Batch · openhab · 2024-08-09 · 4 CVEs total

CVE-2024-42469 9.8 CRITICAL CometVisu Backend for openHAB affected by RCE through path traversal
CVE-2024-42470 6.5 MEDIUM CometVisu Backend for openHAB has a sensitive information disclosure vulnerability
CVE-2024-42468 5.3 MEDIUM Path traversal (CometVisu)

IV. Related Vulnerabilities

Same product: openhab-webui
Same vendor: openhab
Same weakness: CWE-918

V. Comments for CVE-2024-42467

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