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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-5135 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010 CVE, Inc., SonicWALL Vendor Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5135 CISA-ADP US Government Resource 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
SonicWall SonicOS Buffer Overflow Vulnerability 03/15/2022 04/05/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') cwe source acceptance level NIST   SonicWALL, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-5135
NVD Published Date:
10/12/2020
NVD Last Modified:
06/16/2026
Source:
SonicWALL, Inc.