SonicWall SonicOS CFS Vulnerability Leads to HTTP Denial of Service Attack
CVE-2022-22278

7.5HIGH

Key Information:

Vendor

Sonicwall
Status
Sonicos
Vendor
CVE Published:
27 April 2022

What is CVE-2022-22278?

A security issue in SonicWall's SonicOS Content Filtering Service (CFS) allows unauthorized access attempts to trigger excessive 403 forbidden HTTP response messages. This can result in a Denial of Service (DoS) condition, effectively disrupting network operations and impacting the availability of services. It is essential for users of affected versions to implement the recommended patch provided by SonicWall to mitigate this vulnerability.

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Affected Version(s)

SonicOS SonicOS Gen 7 TZ-Series 7.0.1-5030-R2007 and earlier versions.

SonicOS SonicOS Gen 7 NSa-Series 7.0.1-5030-R2007 and earlier versions.

SonicOS SonicOS Gen 7 NSv-Series 7.0.1.0-5030-1391 and earlier versions.

References

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:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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