CVE-2021-33555

A vulnerability may allow remote attackers to read arbitrary files on the server of the WirelessHART-Gateway

Published Aug 31, 2021 CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
Description
In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.

Remediation

Vendor Solution

No update available.


Vendor Workaround

An external protective measure is required. * Minimize network exposure for affected products and ensure that they are not accessible via the Internet. * Isolate affected products from the corporate network. * If remote access is required, use secure methods such as virtual private networks (VPNs).

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-20247 In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.
History
Type Values Removed Values Added
Title A vulnerability may allow remote attackers to read arbitrary files on the server of the WirelessHART-Gateway A vulnerability may allow remote attackers to read arbitrary files on the server of the WirelessHART-Gateway
Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Sep 17, 2024, 1:36 AM
Reserved
May 24, 2021, 12:00 AM
Status
Modified
Published
Aug 31, 2021, 11:15 AM
Modified
Jun 17, 2026, 3:54 AM