CVE-2021-34563— In WirelessHART-Gateway versions 3.0.8 and 3.0.9 the HttpOnly flag is missing in a cookie which allows client-side javascript to modify it
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I. Basic Information for CVE-2021-34563
Vulnerability Information
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Vulnerability Title
In WirelessHART-Gateway versions 3.0.8 and 3.0.9 the HttpOnly flag is missing in a cookie which allows client-side javascript to modify it
Source: NVD (National Vulnerability Database)
Vulnerability Description
In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 and 3.0.9 the HttpOnly attribute is not set on a cookie. This allows the cookie's value to be read or set by client-side JavaScript.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
没有’HttpOnly’标志的敏感Cookie
Source: NVD (National Vulnerability Database)
Vulnerability Title
Pepperl Fuchs WirelessHART-Gateway安全漏洞
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 和 3.0.9版本存在安全漏洞，该漏洞源于HttpOnly属性没有在cookie上设置。攻击者可利用该漏洞通过客户端JavaScript读取或设置cookie的值。
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 | - | |
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH.EIP | 3.0.8 | - |
II. Public POCs for CVE-2021-34563
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|---|
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- https://cert.vde.com/en-us/advisories/vde-2021-027x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-34563
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-2021-34559 | 5.4 MEDIUM | A vulnerability in WirelessHART-Gateway <= 3.0.8 may allow remote attackers to rewrite lin |
IV. Related Vulnerabilities
Same product: WHA-GW-F2D2-0-AS- Z2-ETH
- CVE-2021-34565
In WirelessHART-Gateway versions 3.0.7 to 3.0.9 hard-coded c - CVE-2021-34564
In WirelessHART-Gateway versions 3.0.9 a vulnerability allow - CVE-2021-34562
A vulnerability in WirelessHART-Gateway 3.0.8 it is possible - CVE-2021-34561
A vulnerability in WirelessHART-Gateway <= 3.0.8 allows to b - CVE-2021-34560
A vulnerability in WirelessHART-Gateway <= 3.0.9 could lead
Same vendor: Phoenix Contact
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Phoenix Contact: Improper removal of sensitive information i - CVE-2026-22323
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Stack-Based Buffer Overflow in CLI Login Username Handling o - CVE-2026-22320
Stack-Based Buffer Overflow in TFTP File-Transfer Command Ha
Same weakness: CWE-1004
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Budibase auth session cookies are set with httpOnly:false — - CVE-2026-0696
Session Cookies Missing HttpOnly Attribute - CVE-2026-22081
Cookie without HTTPOnly Flag Vulnerability in Tenda Wireless - CVE-2025-12031
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V. Comments for CVE-2021-34563
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