CVE-2021-42542— 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 存在路径遍历漏洞，该漏洞源于对提供的备份文件夹结构处理不当。攻击者可利用该漏洞导致遍历目录。
Possible ATT&CK Techniques 1 AI
T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-42542
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 directory traversal due to mishandling of provided backup folder structure.
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
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Emerson WirelessHART Gateway 路径遍历漏洞
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 存在路径遍历漏洞，该漏洞源于对提供的备份文件夹结构处理不当。攻击者可利用该漏洞导致遍历目录。
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-2021-42542
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-42542 (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-2021-42539 | 8.0 HIGH | Emerson WirelessHART Gateway |
| CVE-2021-42540 | 8.0 HIGH | Emerson WirelessHART Gateway |
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V. Comments for CVE-2021-42542
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