// For flags

CVE-2021-33555

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

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

En PEPPERL+FUCHS WirelessHART-Gateway versiones anteriores a 3.0.7 incluyéndola, el parámetro filename es vulnerable a ataques de salto de ruta no autenticados, permitiendo el acceso de lectura a archivos arbitrarios en el servidor

*Credits: Pepperl+Fuchs reported this vulnerability. CERT@VDE coordinated.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-05-24 CVE Reserved
  • 2021-08-31 CVE Published
  • 2024-05-01 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CAPEC
References (1)
URL Tag Source
https://cert.vde.com/en-us/advisories/vde-2021-027 Third Party Advisory
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wha-gw-f2d2-0-as-z2-eth Firmware
Search vendor "Pepperl-fuchs" for product "Wha-gw-f2d2-0-as-z2-eth Firmware"
<= 3.0.7
Search vendor "Pepperl-fuchs" for product "Wha-gw-f2d2-0-as-z2-eth Firmware" and version " <= 3.0.7"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wha-gw-f2d2-0-as-z2-eth
Search vendor "Pepperl-fuchs" for product "Wha-gw-f2d2-0-as-z2-eth"
--
Safe
Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wha-gw-f2d2-0-as- Z2-eth.eip Firmware
Search vendor "Pepperl-fuchs" for product "Wha-gw-f2d2-0-as- Z2-eth.eip Firmware"
<= 3.0.7
Search vendor "Pepperl-fuchs" for product "Wha-gw-f2d2-0-as- Z2-eth.eip Firmware" and version " <= 3.0.7"
-
Affected
in Pepperl-fuchs
Search vendor "Pepperl-fuchs"
Wha-gw-f2d2-0-as- Z2-eth.eip
Search vendor "Pepperl-fuchs" for product "Wha-gw-f2d2-0-as- Z2-eth.eip"
--
Safe