What is CVE-2022-22278?

CVE-2022-22278 is a high-severity vulnerability in Sonicwall Nsa_2650, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2022-04-27.

How severe is CVE-2022-22278?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Sonicwall Nsa_2650

CVE-2022-22278

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)…

EPSS: 0.009 (55.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Sonicwall Nsa_2650
Sonicwall Nsa_2650_firmware
Sonicwall Nsa_2700
Sonicwall Nsa_2700_firmware
Sonicwall Nsa_3650
Sonicwall Nsa_3650_firmware
Sonicwall Nsa_3700
Sonicwall Nsa_3700_firmware
Sonicwall Nsa_4650
Sonicwall Nsa_4650_firmware

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2022-22278?: CVE-2022-22278 is a high-severity vulnerability in Sonicwall Nsa_2650, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2022-04-27.
How severe is CVE-2022-22278?: High severity. CVSS v3 base score is 7.5 out of 10.