CVE-2020-5135

Published Oct 12, 2020

Last updated 18 days ago

Overview

Description
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
Source
PSIRT@sonicwall.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

CVSS 2.0

Type
Primary
Base score
7.5
Impact score
6.4
Exploitability score
10
Vector string
AV:N/AC:L/Au:N/C:P/I:P/A:P

Known exploits

Data from CISA

Vulnerability name
SonicWall SonicOS Buffer Overflow Vulnerability
Exploit added on
Mar 15, 2022
Exploit action due
Apr 5, 2022
Required action
Apply updates per vendor instructions.

Weaknesses

PSIRT@sonicwall.com
CWE-120
nvd@nist.gov
CWE-119

Social media

Hype score
Not currently trending

Configurations