CVE-2021-20043
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
A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
Una vulnerabilidad de desbordamiento del búfer en la región Heap de la memoria en el método getBookmarks de SonicWall SMA100 permite a un atacante remoto autenticado ejecutar potencialmente código como el usuario nobody en el dispositivo. Esta vulnerabilidad afecta a los dispositivos SMA 200, 210, 400, 410 y 500v
*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
- 2020-12-17 CVE Reserved
- 2021-12-08 CVE Published
- 2024-05-22 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-122: Heap-based Buffer Overflow
- CWE-787: Out-of-bounds Write
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026 | 2021-12-10 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Sonicwall Search vendor "Sonicwall" | Sma 200 Firmware Search vendor "Sonicwall" for product "Sma 200 Firmware" | 10.2.0.8-37sv Search vendor "Sonicwall" for product "Sma 200 Firmware" and version "10.2.0.8-37sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 200 Search vendor "Sonicwall" for product "Sma 200" | - | - |
Safe
|
| Sonicwall Search vendor "Sonicwall" | Sma 200 Firmware Search vendor "Sonicwall" for product "Sma 200 Firmware" | 10.2.1.1-19sv Search vendor "Sonicwall" for product "Sma 200 Firmware" and version "10.2.1.1-19sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 200 Search vendor "Sonicwall" for product "Sma 200" | - | - |
Safe
|
| Sonicwall Search vendor "Sonicwall" | Sma 210 Firmware Search vendor "Sonicwall" for product "Sma 210 Firmware" | 10.2.0.8-37sv Search vendor "Sonicwall" for product "Sma 210 Firmware" and version "10.2.0.8-37sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 210 Search vendor "Sonicwall" for product "Sma 210" | - | - |
Safe
|
| Sonicwall Search vendor "Sonicwall" | Sma 210 Firmware Search vendor "Sonicwall" for product "Sma 210 Firmware" | 10.2.1.1-19sv Search vendor "Sonicwall" for product "Sma 210 Firmware" and version "10.2.1.1-19sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 210 Search vendor "Sonicwall" for product "Sma 210" | - | - |
Safe
|
| Sonicwall Search vendor "Sonicwall" | Sma 410 Firmware Search vendor "Sonicwall" for product "Sma 410 Firmware" | 10.2.0.8-37sv Search vendor "Sonicwall" for product "Sma 410 Firmware" and version "10.2.0.8-37sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 410 Search vendor "Sonicwall" for product "Sma 410" | - | - |
Safe
|
| Sonicwall Search vendor "Sonicwall" | Sma 410 Firmware Search vendor "Sonicwall" for product "Sma 410 Firmware" | 10.2.1.1-19sv Search vendor "Sonicwall" for product "Sma 410 Firmware" and version "10.2.1.1-19sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 410 Search vendor "Sonicwall" for product "Sma 410" | - | - |
Safe
|
| Sonicwall Search vendor "Sonicwall" | Sma 400 Firmware Search vendor "Sonicwall" for product "Sma 400 Firmware" | 10.2.0.8-37sv Search vendor "Sonicwall" for product "Sma 400 Firmware" and version "10.2.0.8-37sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 400 Search vendor "Sonicwall" for product "Sma 400" | - | - |
Safe
|
| Sonicwall Search vendor "Sonicwall" | Sma 400 Firmware Search vendor "Sonicwall" for product "Sma 400 Firmware" | 10.2.1.1-19sv Search vendor "Sonicwall" for product "Sma 400 Firmware" and version "10.2.1.1-19sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 400 Search vendor "Sonicwall" for product "Sma 400" | - | - |
Safe
|
| Sonicwall Search vendor "Sonicwall" | Sma 500v Firmware Search vendor "Sonicwall" for product "Sma 500v Firmware" | 10.2.0.8-37sv Search vendor "Sonicwall" for product "Sma 500v Firmware" and version "10.2.0.8-37sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 500v Search vendor "Sonicwall" for product "Sma 500v" | - | - |
Safe
|
| Sonicwall Search vendor "Sonicwall" | Sma 500v Firmware Search vendor "Sonicwall" for product "Sma 500v Firmware" | 10.2.1.1-19sv Search vendor "Sonicwall" for product "Sma 500v Firmware" and version "10.2.1.1-19sv" | - |
Affected
| in | Sonicwall Search vendor "Sonicwall" | Sma 500v Search vendor "Sonicwall" for product "Sma 500v" | - | - |
Safe
|