CVE-2021-33555

Published: Aug 31, 2021Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (2)

Products: Pepperl Fuchs: Wha Gw F2d2 0 As Z2 Eth Firmware, Wha Gw F2d2 0 As Z2 Eth.eip Firmware

Pepperl Fuchs

2 products

Wha Gw F2d2 0 As Z2 Eth Firmware

Wha Gw F2d2 0 As Z2 Eth.eip Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Pepperl Fuchs Wha Gw F2d2 0 As Z2 Eth Firmware	Up to 3.0.7

Running on/with	Platform Versions
Pepperl Fuchs Wha Gw F2d2 0 As Z2 Eth	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Pepperl Fuchs Wha Gw F2d2 0 As Z2 Eth.eip Firmware	Up to 3.0.7

Running on/with	Platform Versions
Pepperl Fuchs Wha Gw F2d2 0 As Z2 Eth.eip	All versions

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (2)

https://cert.vde.com/en-us/advisories/vde-2021-027

Source: info@cert.vde.com

Third Party Advisory

https://cert.vde.com/en-us/advisories/vde-2021-027

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.