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Status published
Low
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
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Pepperl+Fuchs reported this vulnerability. CERT@VDE coordinated.
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Affected Vendor
Phoenix Contact
View all reports →Affected Software
WHA-GW-F2D2-0-AS- Z2-ETH, WHA-GW-F2D2-0-AS- Z2-ETH.EIP
Vulnerable Versions:
3.0.8, 3.0.9
Timeline
Official Publish:
August 31st, 2021
Last Modified:
September 17th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.