SonicWall SonicOS Buffer Overflow (SNWLID-2023-0004)

high Nessus Plugin ID 173302


The remote host is affected by a Buffer Overflow vulnerability.


According to its self-reported version, the remote SonicWall firewall is running a version of SonicOS that is affected by a buffer overflow vulnerability. A Stack-based buffer overflow vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.


Upgrade to the relevant fixed version referenced in the vendor security advisory.

See Also

Plugin Details

Severity: High

ID: 173302

File Name: sonicwall_SNWLID-2023-0004.nasl

Version: 1.2

Type: combined

Family: Firewalls

Published: 3/23/2023

Updated: 1/17/2024

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 4.4


Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2023-0656


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:sonicwall:sonicos

Required KB Items: installed_sw/SonicWall SonicOS

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/2/2023

Vulnerability Publication Date: 3/2/2023

Reference Information

CVE: CVE-2023-0656