What is GHSA-j2f2-fj3p-8c94?

GHSA-j2f2-fj3p-8c94 is a security advisory published by GitHub Security Advisories with High severity. A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service ...

Which CVE IDs does GHSA-j2f2-fj3p-8c94 cover?

GHSA-j2f2-fj3p-8c94 covers the following CVE IDs: CVE-2021-20027. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j2f2-fj3p-8c94?

GHSA-j2f2-fj3p-8c94 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-j2f2-fj3p-8c94HighCVSS 7.5

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service ...

Vendor

GitHub Security Advisories

Published

May 24, 2022

Last Modified

November 9, 2026

🔗 CVE IDs covered (1)

CVE-2021-20027 →

📋 Description

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2021-20027
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0016
https://github.com/advisories/GHSA-j2f2-fj3p-8c94