6.5
CVSSv2

CVE-2021-20046

Published: 10/01/2022 Updated: 19/01/2022
CVSS v2 Base Score: 6.5 | Impact Score: 6.4 | Exploitability Score: 8
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 578
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Vulnerability Summary

A Stack-based buffer overflow in the SonicOS HTTP Content-Length response header allows a remote authenticated malicious user to cause Denial of Service (DoS) and potentially results in code execution in the firewall. This vulnerability affected SonicOS Gen 5, Gen 6 and Gen 7 firmware versions.

Vulnerability Trend

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sonicwall sonicos