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CVE-2021-42538— Emerson WirelessHART Gateway

Quick assessment

Affected
Emerson WirelessHART Gateway
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.

Emerson WirelessHART Gateway是美国Emerson公司的一种无线网关。 Emerson WirelessHART Gateway存在命令注入漏洞，该漏洞允许所有用户访问读取全局变量，受影响的产品容易泄露对等用户名和密码。

CVSS 8.0 · High EPSS 0.98% · P61

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-42538

Vulnerability Information
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Vulnerability Title
Emerson WirelessHART Gateway
Source: CVE Program / CVE List V5
Vulnerability Description
The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Emerson WirelessHART Gateway 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Emerson WirelessHART Gateway是美国Emerson公司的一种无线网关。 Emerson WirelessHART Gateway存在命令注入漏洞，该漏洞允许所有用户访问读取全局变量，受影响的产品容易泄露对等用户名和密码。
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
Emerson WirelessHART Gateway 1410 ~ 4.7.94 -

II. Public POCs for CVE-2021-42538

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III. Intelligence Information for CVE-2021-42538

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Vendor Advisories for CVE-2021-42538 (1)

Same Patch Batch · Emerson · 2021-10-22 · 6 CVEs total

CVE-2021-38485 8.0 HIGH Emerson WirelessHART Gateway
CVE-2021-42536 8.0 HIGH Emerson WirelessHART Gateway
CVE-2021-42539 8.0 HIGH Emerson WirelessHART Gateway
CVE-2021-42540 8.0 HIGH Emerson WirelessHART Gateway
CVE-2021-42542 8.0 HIGH Emerson WirelessHART Gateway

IV. Related Vulnerabilities

Same product: WirelessHART Gateway
Same vendor: Emerson
Same weakness: CWE-78

V. Comments for CVE-2021-42538

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