CVE-2021-20027

7.5HIGH

Key Information

Vendor
Sonicwall
Status
Sonicos
Vendor
CVE Published:
14 June 2021

Summary

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.

Affected Version(s)

SonicOS = SonicOS 5.9.1.13 and earlier

SonicOS = SonicOSv 6.5.4.4 and earlier

SonicOS = SonicOS 6.0.5.3 and earlier

Refferences

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-202...
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.