CVE-2021-33535
WEIDMUELLER: WLAN devices affected by exploitable format string vulnerability
Severity Score
8.8
*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 format string vulnerability exists in the iw_console conio_writestr functionality. A specially crafted time server entry can cause an overflow of the time server buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
En los dispositivos Weidmueller Industrial WLAN en múltiples versiones, se presenta una vulnerabilidad explotable de cadena de formato en la funcionalidad iw_console conio_writestr. Una entrada del servidor de tiempo especialmente diseñada puede causar un desbordamiento de búfer del servidor de tiempo, resultando en una ejecución de código remota. Un atacante puede enviar comandos mientras está autenticado como un usuario poco privilegiado 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
- 2023-12-08 EPSS Updated
- 2024-09-17 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-134: Use of Externally-Controlled Format String
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
|