// For flags

CVE-2021-34559

A vulnerability in WirelessHART-Gateway <= 3.0.8 may allow remote attackers to rewrite links and URLs in cached pages to arbitrary strings

Severity Score

5.3
*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 <= 3.0.8 a vulnerability may allow remote attackers to rewrite links and URLs in cached pages to arbitrary strings.

En PEPPERL+FUCHS WirelessHART-Gateway versiones anteriores a 3.0.8 incluyéndola, una vulnerabilidad puede permitir a atacantes remotos reescribir enlaces y URLs en las páginas cache a cadenas arbitrarias

*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
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-10 CVE Reserved
  • 2021-08-31 CVE Published
  • 2024-08-19 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
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"
 <= 3.0.8
Search vendor "Pepperl-fuchs" for product "Wha-gw-f2d2-0-as-z2-eth Firmware" and version " <= 3.0.8"
-
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"
 <= 3.0.8
Search vendor "Pepperl-fuchs" for product "Wha-gw-f2d2-0-as-z2-eth.eip Firmware" and version " <= 3.0.8"
-
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