// For flags

CVE-2021-20995

WAGO: Managed Switches: Storage of user credentials in a cookie

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 multiple managed switches by WAGO in different versions the webserver cookies of the web based UI contain user credentials.

En múltiples switches administrados por WAGO en diferentes versiones, las cookies del servidor web de la Interfaz de Usuario basada en web contienen credenciales de usuario

*Credits: Dr. Tobias Augustin and Stephan Tigges of IKS – Institut für Kooperative Systeme GmbH, Kai Gaul and Jan Rübenach of ABO Wind AG, coordinated by CERT@VDE
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
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
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
  • 2020-12-17 CVE Reserved
  • 2021-05-13 CVE Published
  • 2024-01-27 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-312: Cleartext Storage of Sensitive Information
CAPEC
References (1)
URL Tag Source
https://cert.vde.com/en-us/advisories/vde-2021-013 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
Wago
Search vendor "Wago"
0852-0303 Firmware
Search vendor "Wago" for product "0852-0303 Firmware"
<= 1.2.3.s0
Search vendor "Wago" for product "0852-0303 Firmware" and version " <= 1.2.3.s0"
-
Affected
in Wago
Search vendor "Wago"
0852-0303
Search vendor "Wago" for product "0852-0303"
--
Safe
Wago
Search vendor "Wago"
0852-1305 Firmware
Search vendor "Wago" for product "0852-1305 Firmware"
<= 1.1.7.s0
Search vendor "Wago" for product "0852-1305 Firmware" and version " <= 1.1.7.s0"
-
Affected
in Wago
Search vendor "Wago"
0852-1305
Search vendor "Wago" for product "0852-1305"
--
Safe
Wago
Search vendor "Wago"
0852-1505 Firmware
Search vendor "Wago" for product "0852-1505 Firmware"
<= 1.1.6.s0
Search vendor "Wago" for product "0852-1505 Firmware" and version " <= 1.1.6.s0"
-
Affected
in Wago
Search vendor "Wago"
0852-1505
Search vendor "Wago" for product "0852-1505"
--
Safe
Wago
Search vendor "Wago"
0852-1305\/000-001 Firmware
Search vendor "Wago" for product "0852-1305\/000-001 Firmware"
<= 1.0.4.s0
Search vendor "Wago" for product "0852-1305\/000-001 Firmware" and version " <= 1.0.4.s0"
-
Affected
in Wago
Search vendor "Wago"
0852-1305\/000-001
Search vendor "Wago" for product "0852-1305\/000-001"
--
Safe
Wago
Search vendor "Wago"
0852-1505\/000-001 Firmware
Search vendor "Wago" for product "0852-1505\/000-001 Firmware"
<= 1.0.4.s0
Search vendor "Wago" for product "0852-1505\/000-001 Firmware" and version " <= 1.0.4.s0"
-
Affected
in Wago
Search vendor "Wago"
0852-1505\/000-001
Search vendor "Wago" for product "0852-1505\/000-001"
--
Safe