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CVE-2020-5242— openHAB exec add-ons allow remote arbitrary command execution

Quick assessment

Affected
openhab openhab-addons
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.

openHAB 2.5.2之前版本中存在访问控制错误漏洞，该漏洞源于输入验证不正确。远程攻击者可利用该漏洞以openHAB用户权限执行任意命令。

CVSS 7.7 · High EPSS 1.97% · P80
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I. Basic Information for CVE-2020-5242

Vulnerability Information
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Vulnerability Title
openHAB exec add-ons allow remote arbitrary command execution
Source: CVE Program / CVE List V5
Vulnerability Description
openHAB before 2.5.2 allow a remote attacker to use REST calls to install the EXEC binding or EXEC transformation service and execute arbitrary commands on the system with the privileges of the user running openHAB. Starting with version 2.5.2 all commands need to be whitelisted in a local file which cannot be changed via REST calls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
openHAB 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openHAB 2.5.2之前版本中存在访问控制错误漏洞，该漏洞源于输入验证不正确。远程攻击者可利用该漏洞以openHAB用户权限执行任意命令。
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
openhab openhab-addons < 2.5.2 -

II. Public POCs for CVE-2020-5242

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III. Intelligence Information for CVE-2020-5242

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Patches & Fixes for CVE-2020-5242 (1)

Vendor Advisories for CVE-2020-5242 (1)

IV. Related Vulnerabilities

Same product: openhab-addons
Same vendor: openhab
Same weakness: CWE-284

V. Comments for CVE-2020-5242

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