Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-20027

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.

  • Published: Jun 15, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-20027
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
sonicwall / sonicos - 7.0.1-r1262.x
sonicwall / sonicos - 7.0.1-r.1219.x
sonicwall / sonicos - 7.0.1-r514.x
sonicwall / sonicos - 5.9.1.13.x
sonicwall / sonicos - 6.5.1.12.x
sonicwall / sonicos - 6.5.4.7.x
sonicwall / sonicos - -
sonicwall / sonicos - 6.0.5.3-94o.x