7.5
HIGH
CVE-2023-0656
SonicOS Stack-based Buffer Overflow Denial of Service Vulnerability
Description

A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.

INFO

Published Date :

March 2, 2023, 10:15 p.m.

Last Modified :

Nov. 21, 2024, 7:37 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-0656 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-0656 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sonicwall sonicos
2 Sonicwall nsa_2700
3 Sonicwall nsa_3700
4 Sonicwall nsa_4700
5 Sonicwall nsa_5700
6 Sonicwall nsa_6700
7 Sonicwall nssp_10700
8 Sonicwall nssp_11700
9 Sonicwall nssp_13700
10 Sonicwall nsv_270
11 Sonicwall nsv_470
12 Sonicwall nsv_870
13 Sonicwall tz270
14 Sonicwall tz270w
15 Sonicwall tz370
16 Sonicwall tz370w
17 Sonicwall tz470
18 Sonicwall tz470w
19 Sonicwall tz570
20 Sonicwall tz570p
21 Sonicwall tz570w
22 Sonicwall tz670
23 Sonicwall nssp_15700
24 Sonicwall nsv_10
25 Sonicwall nsv_100
26 Sonicwall nsv_1600
27 Sonicwall nsv_200
28 Sonicwall nsv_25
29 Sonicwall nsv_300
30 Sonicwall nsv_400
31 Sonicwall nsv_50
32 Sonicwall nsv_800
: Total Affected Vendor : 1 | Products : 32
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-0656.

URL Resource
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004 Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
BishopFox/CVE-2022-22274_CVE-2023-0656

None

Python

Updated: 2 months ago
20 stars 5 fork 5 watcher
Born at : Jan. 12, 2024, 8:03 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-0656 vulnerability anywhere in the article.

  • Daily CyberSecurity
High-Severity SonicWall SSLVPN Vulnerability Allows Firewall Crashing

SonicWall has disclosed a vulnerability affecting its SonicOS SSLVPN Virtual Office interface, which, if exploited, could allow remote attackers to crash firewall appliances. Tracked as CVE-2025-32818 ... Read more

Published Date: Apr 24, 2025 (3 months, 1 week ago)
CVE-2025-32818 CVE-2025-32965 CVE-2024-53704 CVE-2024-40766 CVE-2023-0656
  • security.nl
'Tienduizenden SonicWall-firewalls online bevatten kritiek lek of zijn end-of-life'

Tienduizenden firewalls van fabrikant SonicWall die vanaf het internet benaderbaar zijn bevatten kritieke kwetsbaarheden of zijn end-of-life. Dat stelt securitybedrijf Bishop Fox op basis van eigen on ... Read more

Published Date: Dec 17, 2024 (7 months, 2 weeks ago)
CVE-2024-40766 CVE-2023-0656 CVE-2022-22274
  • Cybersecurity News
Akira Ransomware Exploits SonicWall SSLVPN Flaw (CVE-2024-40766)

SonicWall has issued a warning: the recently patched critical access control vulnerability, tracked as CVE-2024-40766, is now actively exploited in the wild. The flaw, originally thought to impact onl ... Read more

Published Date: Sep 09, 2024 (10 months, 3 weeks ago)
CVE-2024-24759 CVE-2024-40766 CVE-2024-39717 CVE-2024-22116 CVE-2023-0656
  • Cybersecurity News
PoC Exploit Released for RCE 0-day CVE-2024-41992 in Arcadyan FMIMG51AX000J Model

A critical vulnerability, identified as CVE-2024-41992, has been discovered in the Arcadyan FMIMG51AX000J model, and potentially other WiFi Alliance-affiliated devices using the same firmware version ... Read more

Published Date: Aug 22, 2024 (11 months, 1 week ago)
CVE-2024-41992 CVE-2024-43403 CVE-2024-38063 CVE-2024-38200 CVE-2024-38100 CVE-2023-0656

The following table lists the changes that have been made to the CVE-2023-0656 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Mar. 10, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004 No Types Assigned https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004 Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:* versions up to (including) 7.0.1-5111 OR cpe:2.3:h:sonicwall:nsa_2700:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsa_3700:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsa_4700:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsa_5700:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsa_6700:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nssp_10700:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nssp_11700:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nssp_13700:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_270:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_470:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_870:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz270:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz270w:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz370:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz370w:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz470:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz470w:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz570:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz570p:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz570w:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:tz670:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:* versions up to (including) 7.0.1-5083 OR cpe:2.3:h:sonicwall:nssp_15700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:* versions up to (including) 6.5.4.4-44v-21-1551 OR cpe:2.3:h:sonicwall:nsv_10:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_100:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_1600:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_200:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_25:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_300:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_400:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_50:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:nsv_800:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-0656 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-0656 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

43.75 }} 5.81%

score

0.97436

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: