CVE-2021-20041

7.5HIGH

Key Information

Vendor
Sonicwall
Status
Sonicwall Sma100
Vendor
CVE Published:
8 December 2021

Summary

An unauthenticated and remote adversary can consume all of the device's CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with unreachable exit condition. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

Affected Version(s)

SonicWall SMA100 = 9.0.0.11-31sv and earlier

SonicWall SMA100 = 10.2.0.8-37sv and earlier

SonicWall SMA100 = 10.2.1.1-19sv and earlier

Refferences

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-202...
x_refsource_CONFIRM

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
.