CVE-2021-20019: Buffer Overflow
A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data disclosure vulnerability.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-20019?
CVE-2021-20019 is a vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, potentially leading to an internal sensitive data disclosure vulnerability.
What software versions are affected by CVE-2021-20019?
SonicWall SonicOS versions 7.0.0.376 to 7.0.0 and 7.0.1-r1036, SonicWall SonicOS 6.0.5.3-94o, SonicWall SonicOS 6.5.1.12-3n, SonicWall SonicOS 6.5.4.7-83n, and Sonicwall Sonicosv 6.5.4.4-44v-21-955 are affected by CVE-2021-20019.
What is the severity of CVE-2021-20019?
CVE-2021-20019 has a severity rating of 7.5 (high).
How can this vulnerability be exploited?
This vulnerability can be exploited by sending a crafted HTTP request to the SonicOS HTTP server.
Is there a fix available for CVE-2021-20019?
Yes, SonicWall has released a fix for CVE-2021-20019. It is recommended to update to the latest version of SonicOS.