7.8
CVE-2021-20041
- EPSS 0.61%
- Published 08.12.2021 10:15:08
- Last modified 21.11.2024 05:45:50
- Source PSIRT@sonicwall.com
- Teams watchlist Login
- Open Login
An unauthenticated and remote adversary can consume all of the device's CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with unreachable exit condition. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
Data is provided by the National Vulnerability Database (NVD)
Sonicwall ≫ Sma 200 Firmware Version9.0.0.11-31sv
Sonicwall ≫ Sma 200 Firmware Version10.2.0.8-37sv
Sonicwall ≫ Sma 200 Firmware Version10.2.1.1-19sv
Sonicwall ≫ Sma 210 Firmware Version9.0.0.11-31sv
Sonicwall ≫ Sma 210 Firmware Version10.2.0.8-37sv
Sonicwall ≫ Sma 210 Firmware Version10.2.1.1-19sv
Sonicwall ≫ Sma 410 Firmware Version9.0.0.11-31sv
Sonicwall ≫ Sma 410 Firmware Version10.2.0.8-37sv
Sonicwall ≫ Sma 410 Firmware Version10.2.1.1-19sv
Sonicwall ≫ Sma 400 Firmware Version9.0.0.11-31sv
Sonicwall ≫ Sma 400 Firmware Version10.2.0.8-37sv
Sonicwall ≫ Sma 400 Firmware Version10.2.1.1-19sv
Sonicwall ≫ Sma 500v Firmware Version9.0.0.11-31sv
Sonicwall ≫ Sma 500v Firmware Version10.2.0.8-37sv
Sonicwall ≫ Sma 500v Firmware Version10.2.1.1-19sv
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.61% | 0.688 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 7.8 | 10 | 6.9 |
AV:N/AC:L/Au:N/C:N/I:N/A:C
|
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.