CVE-2020-5135—SonicWall SonicOS Buffer Overflow Vulnerability

PUBLISHEDvulnerability record
2022-03-15 · last modified June 21, 2025

Metadata

CVE ID:
CVE-2020-5135
Project:
SonicWall
Product:
SonicOS
Date Added:
2022-03-15
Due Date:
2022-04-05
Last Updated:
June 21, 2025

Vulnerability Name

SonicWall SonicOS Buffer Overflow Vulnerability

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2020-5135

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