CVE-2021-20048

Description

A Stack-based buffer overflow in the SonicOS SessionID HTTP response header allows a remote authenticated attacker 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.

CVSS Version 3.1

nvd

CVE ID: CVE-2021-20048
Base Score: 8.8
Base Severity: HIGH
Vector String:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8

CVSS Version 2.0

nvd

CVE ID: CVE-2021-20048
Base Score: 6.5
Base Severity: MEDIUM
Vector String:AV:N/AC:L/Au:S/C:P/I:P/A:P

Refrence: NVD