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.
Remotely Exploit :
Yes !
Source :
[email protected]
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Upgrade to the relevant fixed version referenced in the vendor security advisory.
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.
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 |
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.
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).
None
Python
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
Windows Update Is Reportedly Breaking SSDs, And Microsoft Is Finally Responding
Hardware indicator for volume shown at the top center This week, discussions have surged around reports that installing recent Windows 11 updates may, under certain circumstances, cause solid-state dr ... Read more
-
Daily CyberSecurity
Windows Update is Breaking SSDs and Recovery, and Microsoft is Scrambling to Fix It
Microsoft recently rolled out the August 2025 routine security updates for all supported branches of Windows 10 and Windows 11. These updates address numerous known issues and security vulnerabilities ... Read more
-
Daily CyberSecurity
SanDisk Unveils World’s Largest SSD: The 256TB UltraQLC Drive Built for the AI Era
SanDisk has officially unveiled its groundbreaking UltraQLC technology platform, along with a new enterprise-grade NVMe SSD boasting an extraordinary storage capacity of up to 256TB. This cutting-edge ... Read more
-
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
-
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
-
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
-
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
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:-:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
37.94 }} -5.81%
score
0.97068
percentile