CVE-2021-20027: Buffer Overflow
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-20027?
CVE-2021-20027 is a buffer overflow vulnerability in SonicOS that allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request.
What platforms are affected by CVE-2021-20027?
CVE-2021-20027 affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.
How severe is CVE-2021-20027?
CVE-2021-20027 has a severity value of 7.5, which is considered high.
How do I fix CVE-2021-20027?
To fix CVE-2021-20027, apply the necessary patches or updates provided by SonicWall.
Where can I find more information about CVE-2021-20027?
You can find more information about CVE-2021-20027 on the SonicWall PSIRT website: [link](https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0016)