CVE-2021-42539— 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 存在访问控制错误漏洞，该漏洞源于受影响的产品很容易在系统备份恢复时缺少权限验证。攻击者可利用该漏洞导致帐户接管和未经批准的设置更改。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2021-42539
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 missing permission validation on system backup restore, which could lead to account take over and unapproved settings change.
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
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Emerson WirelessHART Gateway 访问控制错误漏洞
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 存在访问控制错误漏洞，该漏洞源于受影响的产品很容易在系统备份恢复时缺少权限验证。攻击者可利用该漏洞导致帐户接管和未经批准的设置更改。
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-2021-42539
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-42539 (1)
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02 x_refsource_CONFIRM
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-2021-42538 | 8.0 HIGH | Emerson WirelessHART Gateway |
| CVE-2021-42540 | 8.0 HIGH | Emerson WirelessHART Gateway |
| CVE-2021-42542 | 8.0 HIGH | Emerson WirelessHART Gateway |
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V. Comments for CVE-2021-42539
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