CVE-2021-33555
Assigner: CERTVDE
Published: 2021-08-16T00:00:00
State: PUBLISHED
affected: product: WHA-GW-F2D2-0-AS- Z2-ETH
vendor: Phoenix Contact
versions: lessThanOrEqual: 3.0.7
status: affected
version: 3.0.7
versionType: custom
product: WHA-GW-F2D2-0-AS- Z2-ETH.EIP
vendor: Phoenix Contact
versions: lessThanOrEqual: 3.0.7
status: affected
version: 3.0.7
versionType: custom
credits: value: Pepperl+Fuchs reported this vulnerability. CERT@VDE coordinated.
datePublic: 2021-08-16T00:00:00
descriptions: value: 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.
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
version: 3.1
problemTypes: descriptions: cweId: CWE-22
description: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
type: CWE
solutions: value: No update available.
source: advisory: VDE-2021-027
discovery: INTERNAL
title: A vulnerability may allow remote attackers to read arbitrary files on the server of the WirelessHART-Gateway 
workarounds: value: 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).
x_generator: engine: Vulnogram 0.0.9