CVE-2021-20998
WAGO: Managed Switches: Unauthorized creation of user accounts
Severity Score
9.8
*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 without authorization and with specially crafted packets it is possible to create users.
En múltiples switches administrados por WAGO en diferentes versiones sin autorización y con paquetes especialmente diseñados es posible crear usuarios
*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
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* 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-306: Missing Authentication for Critical Function
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
|