Dashboard / CVE-2022-22278

CVE-2022-22278

HIGH
MEDIUM Priority: 0.07 BB Relevance: 75/100
Published: 2022-04-27 Modified: 2026-11-09 First seen: 2026-11-09 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A vulnerability in SonicOS CFS (Content filtering service) returns a large 403 forbidden HTTP response message to the source address when users try to access prohibited resource this allows an attacker to cause HTTP Denial of Service (DoS) attack

Weakness Classification (1)

Affected Software (49)

VendorProductVersion
sonicwall nsa_2650_firmware < 7.0.1
sonicwall nsa_2700_firmware < 7.0.1
sonicwall nsa_3650_firmware < 7.0.1
sonicwall nsa_3700_firmware < 7.0.1
sonicwall nsa_4650_firmware < 7.0.1
sonicwall nsa_4700_firmware < 7.0.1
sonicwall nsa_5650_firmware < 7.0.1
sonicwall nsa_5700_firmware < 7.0.1
sonicwall nsa_6650_firmware < 7.0.1
sonicwall nsa_6700_firmware < 7.0.1
sonicwall nsa_9250_firmware < 7.0.1
sonicwall nsa_9450_firmware < 7.0.1
sonicwall nsa_9650_firmware < 7.0.1
sonicwall nssp_10700_firmware < 7.0.1.0
sonicwall nssp_11700_firmware < 7.0.1.0
sonicwall nssp_12400_firmware < 7.0.1.0
sonicwall nssp_12800_firmware < 7.0.1.0
sonicwall nssp_13700_firmware < 7.0.1.0
sonicwall nssp_15700_firmware < 7.0.1.0
sonicwall nsv_100_firmware < 7.0.1.0
sonicwall nsv_10_firmware < 7.0.1.0
sonicwall nsv_1600_firmware < 7.0.1.0
sonicwall nsv_200_firmware < 7.0.1.0
sonicwall nsv_25_firmware < 7.0.1.0
sonicwall nsv_270_firmware < 7.0.1.0
sonicwall nsv_300_firmware < 7.0.1.0
sonicwall nsv_400_firmware < 7.0.1.0
sonicwall nsv_470_firmware < 7.0.1.0
sonicwall nsv_50_firmware < 7.0.1.0
sonicwall nsv_800_firmware < 7.0.1.0
Showing 30 of 49 entries

References & Advisories (1)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.96%
Raw Score 0.009560
Percentile 62.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00956
2026-11-12
0.00956
2026-11-10
0.00956
2026-11-09
0.00956

Intelligence Sources

nvd ref →

External Links