CVE-2021-33536
WEIDMUELLER: WLAN devices affected by Denial-of-Service vulnerability
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 Weidmueller Industrial WLAN devices in multiple versions an exploitable denial-of-service vulnerability exists in ServiceAgent functionality. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.
En los dispositivos Weidmueller Industrial WLAN en múltiples versiones, se presenta una vulnerabilidad de denegación de servicio explotable en la funcionalidad ServiceAgent. Un paquete especialmente diseñado puede causar un desbordamiento de enteros, desencadenando un gran memcpy que accederá a memoria no asignada o fuera de límites. Un atacante puede enviar este paquete mientras no está autenticado para desencadenar esta vulnerabilidad
*Credits:
N/A
CVSS Scores
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
- 2021-05-24 CVE Reserved
- 2021-06-25 CVE Published
- 2024-09-17 CVE Updated
- 2024-12-17 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-191: Integer Underflow (Wrap or Wraparound)
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-026 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
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| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Weidmueller Search vendor "Weidmueller" | Ie-wl-bl-ap-cl-eu Firmware Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-eu Firmware" | <= 1.16.18 Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-eu Firmware" and version " <= 1.16.18" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wl-bl-ap-cl-eu Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-eu" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wlt-bl-ap-cl-eu Firmware Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-eu Firmware" | <= 1.16.18 Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-eu Firmware" and version " <= 1.16.18" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wlt-bl-ap-cl-eu Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-eu" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wl-bl-ap-cl-us Firmware Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-us Firmware" | <= 1.16.18 Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-us Firmware" and version " <= 1.16.18" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wl-bl-ap-cl-us Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-us" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wlt-bl-ap-cl-us Firmware Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-us Firmware" | <= 1.16.18 Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-us Firmware" and version " <= 1.16.18" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wlt-bl-ap-cl-us Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-us" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wl-vl-ap-br-cl-eu Firmware Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-eu Firmware" | <= 1.16.18 Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-eu Firmware" and version " <= 1.16.18" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wl-vl-ap-br-cl-eu Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-eu" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wlt-vl-ap-br-cl-eu Firmware Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-eu Firmware" | <= 1.16.18 Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-eu Firmware" and version " <= 1.16.18" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wlt-vl-ap-br-cl-eu Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-eu" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wl-vl-ap-br-cl-us Firmware Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-us Firmware" | <= 1.16.18 Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-us Firmware" and version " <= 1.16.18" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wl-vl-ap-br-cl-us Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-us" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wlt-vl-ap-br-cl-us Firmware Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-us Firmware" | <= 1.16.18 Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-us Firmware" and version " <= 1.16.18" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wlt-vl-ap-br-cl-us Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-us" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wl-bl-ap-cl-eu Firmware Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-eu Firmware" | <= 1.11.10 Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-eu Firmware" and version " <= 1.11.10" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wl-bl-ap-cl-eu Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-eu" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wlt-bl-ap-cl-eu Firmware Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-eu Firmware" | <= 1.11.10 Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-eu Firmware" and version " <= 1.11.10" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wlt-bl-ap-cl-eu Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-eu" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wl-bl-ap-cl-us Firmware Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-us Firmware" | <= 1.11.10 Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-us Firmware" and version " <= 1.11.10" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wl-bl-ap-cl-us Search vendor "Weidmueller" for product "Ie-wl-bl-ap-cl-us" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wlt-bl-ap-cl-us Firmware Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-us Firmware" | <= 1.11.10 Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-us Firmware" and version " <= 1.11.10" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wlt-bl-ap-cl-us Search vendor "Weidmueller" for product "Ie-wlt-bl-ap-cl-us" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wl-vl-ap-br-cl-eu Firmware Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-eu Firmware" | <= 1.11.10 Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-eu Firmware" and version " <= 1.11.10" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wl-vl-ap-br-cl-eu Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-eu" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wlt-vl-ap-br-cl-eu Firmware Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-eu Firmware" | <= 1.11.10 Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-eu Firmware" and version " <= 1.11.10" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wlt-vl-ap-br-cl-eu Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-eu" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wl-vl-ap-br-cl-us Firmware Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-us Firmware" | <= 1.11.10 Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-us Firmware" and version " <= 1.11.10" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wl-vl-ap-br-cl-us Search vendor "Weidmueller" for product "Ie-wl-vl-ap-br-cl-us" | - | - |
Safe
|
| Weidmueller Search vendor "Weidmueller" | Ie-wlt-vl-ap-br-cl-us Firmware Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-us Firmware" | <= 1.11.10 Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-us Firmware" and version " <= 1.11.10" | - |
Affected
| in | Weidmueller Search vendor "Weidmueller" | Ie-wlt-vl-ap-br-cl-us Search vendor "Weidmueller" for product "Ie-wlt-vl-ap-br-cl-us" | - | - |
Safe
|