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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

LOW
3.3
CVSS Score
Published: August 31, 2021 at 10:32 AM UTC
Updated: June 17, 2026 at 03:56 AM UTC
6 products affected across 2 vendorsWha Gw F2D2 0-as Z2-eth.eip FirmwareWha Gw F2D2 0-as Z2-eth FirmwareWha-Gw-F2D2-0-As-Z2-Eth

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://cert.vde.com/en-us/advisories/vde-2021-027

CVSS

3.3LOWCERTVDE
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1004

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