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CVE-2021-34559— A vulnerability in WirelessHART-Gateway <= 3.0.8 may allow remote attackers to rewrite links and URLs in cached pages to arbitrary strings

Quick assessment

Affected
Phoenix Contact WHA-GW-F2D2-0-AS- Z2-ETH
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.

Pepperl Fuchs WirelessHART-Gateway是德国Pepperl Fuchs公司的一款网关设备。 Pepperl Fuchs WirelessHART-Gateway 3.0.8及之前版本存在环境问题漏洞，攻击者可利用该漏洞将缓存页面中的链接和url重写为任意字符串。

CVSS 5.4 · Medium EPSS 0.77% · P52

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2021-34559

Vulnerability Information
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Vulnerability Title
A vulnerability in WirelessHART-Gateway <= 3.0.8 may allow remote attackers to rewrite links and URLs in cached pages to arbitrary strings
Source: CVE Program / CVE List V5
Vulnerability Description
In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 a vulnerability may allow remote attackers to rewrite links and URLs in cached pages to arbitrary strings.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
Pepperl Fuchs WirelessHART-Gateway环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pepperl Fuchs WirelessHART-Gateway是德国Pepperl Fuchs公司的一款网关设备。 Pepperl Fuchs WirelessHART-Gateway 3.0.8及之前版本存在环境问题漏洞，攻击者可利用该漏洞将缓存页面中的链接和url重写为任意字符串。
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
Phoenix Contact WHA-GW-F2D2-0-AS- Z2-ETH 3.0.8 ~ 3.0.8 -
Phoenix Contact WHA-GW-F2D2-0-AS- Z2-ETH.EIP 3.0.8 ~ 3.0.8 -

II. Public POCs for CVE-2021-34559

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III. Intelligence Information for CVE-2021-34559

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Other References for CVE-2021-34559 (1)

Same Patch Batch · Phoenix Contact · 2021-08-31 · 8 CVEs total

CVE-2021-34565 9.8 CRITICAL In WirelessHART-Gateway versions 3.0.7 to 3.0.9 hard-coded credentials have been found
CVE-2021-34561 7.5 HIGH A vulnerability in WirelessHART-Gateway <= 3.0.8 allows to bypass any IP or firewall based
CVE-2021-33555 7.5 HIGH A vulnerability may allow remote attackers to read arbitrary files on the server of the Wi
CVE-2021-34564 5.5 MEDIUM In WirelessHART-Gateway versions 3.0.9 a vulnerability allows to read and write sensitive
CVE-2021-34560 5.5 MEDIUM A vulnerability in WirelessHART-Gateway <= 3.0.9 could lead to information exposure of sen
CVE-2021-34562 5.4 MEDIUM A vulnerability in WirelessHART-Gateway 3.0.8 it is possible to inject arbitrary JavaScrip
CVE-2021-34563 3.3 LOW In WirelessHART-Gateway versions 3.0.8 and 3.0.9 the HttpOnly flag is missing in a cookie

IV. Related Vulnerabilities

Same product: WHA-GW-F2D2-0-AS- Z2-ETH
Same vendor: Phoenix Contact
Same weakness: CWE-444

V. Comments for CVE-2021-34559

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