CVE-2022-22278

mediumpriority · track · 30EPSS 0.010 · 61 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.96% (61st) EPSS

CVSS 5 · medium

Is it mine?

53 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USprimary

affected products (53)

Products and version ranges known to be affected.

SonicWall SonicOS≤ SonicOS Gen 7 NSsp-Series 7.0.1-5030-R780 and earlier versions.enisa_euvdEU
SonicWall SonicOS≤ SonicOS Gen 7 TZ-Series 7.0.1-5030-R2007 and earlier versions.enisa_euvdEU
SonicWall SonicOS≤ SonicOS Gen 7 NSv-Series 7.0.1.0-5030-1391 and earlier versions.enisa_euvdEU
SonicWall SonicOS≤ SonicOS Gen 7 NSa-Series 7.0.1-5030-R2007 and earlier versions.enisa_euvdEU
sonicwall nsa 2650 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_2650_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 2700 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_2700_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 3650 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_3650_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 3700 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_3700_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 4650 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_4650_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 4700 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_4700_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 5650 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_5650_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 5700 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_5700_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 6650 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_6650_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 6700 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_6700_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 9250 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_9250_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 9450 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_9450_firmware:*:*:*:*:*:*:*:*
sonicwall nsa 9650 firmware< 7.0.1nvdUScpe:2.3:o:sonicwall:nsa_9650_firmware:*:*:*:*:*:*:*:*
sonicwall nssp 10700 firmware< 7.0.1.0nvdUScpe:2.3:o:sonicwall:nssp_10700_firmware:*:*:*:*:*:*:*:*
sonicwall nssp 11700 firmware< 7.0.1.0nvdUScpe:2.3:o:sonicwall:nssp_11700_firmware:*:*:*:*:*:*:*:*
sonicwall nssp 12400 firmware< 7.0.1.0nvdUScpe:2.3:o:sonicwall:nssp_12400_firmware:*:*:*:*:*:*:*:*

showing 20 of 53

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-04-27modified 2026-06-17

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+3263 more

references (6)

External citations — patches, advisories, analysis.

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