CVE-2021-20041: High severity sonicwall sma 200 vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-20041?
CVE-2021-20041 is a vulnerability in the Sonicwall SMA appliances that allows an unauthenticated remote adversary to consume all of the device's CPU by sending crafted HTTP requests.
Which devices are affected by CVE-2021-20041?
CVE-2021-20041 affects the SMA 200, 210, 400, 410, and 500v appliances.
What is the severity of CVE-2021-20041?
CVE-2021-20041 has a severity score of 7.5, which is considered high.
How can I fix CVE-2021-20041?
To fix CVE-2021-20041, users should update their Sonicwall SMA firmware to the latest version provided by Sonicwall.
Where can I find more information about CVE-2021-20041?
You can find more information about CVE-2021-20041 on the Sonicwall PSIRT website.