CVE-2022-22278
7.5 · HIGHOverview
CVE-2022-22278 is a high-severity vulnerability affecting sonicwall tz300p_firmware. It was published on April 27, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Remediation
Check the references section for vendor advisories and patches from sonicwall. Update tz300p_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| sonicwall | tz300p_firmware | >= 0, < 7.0.1 | Affected |
| sonicwall | tz300w_firmware | >= 0, < 7.0.1 | Affected |
| sonicwall | tz350_firmware | >= 0, < 7.0.1 | Affected |
| sonicwall | tz350w_firmware | >= 0, < 7.0.1 | Affected |
| sonicwall | nssp_10700_firmware | >= 0, < 7.0.1.0 | Affected |
| sonicwall | nssp_11700_firmware | >= 0, < 7.0.1.0 | Affected |
| sonicwall | nssp_12400_firmware | >= 0, < 7.0.1.0 | Affected |
| sonicwall | nssp_12800_firmware | >= 0, < 7.0.1.0 | Affected |
| sonicwall | nssp_13700_firmware | >= 0, < 7.0.1.0 | Affected |
| sonicwall | nssp_15700_firmware | >= 0, < 7.0.1.0 | Affected |
Frequently Asked Questions
What is CVE-2022-22278?
CVE-2022-22278 is a high-severity vulnerability affecting sonicwall tz300p_firmware. It was published on April 27, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2022-22278?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-22278?
Check the references section for vendor advisories and patches from sonicwall. Update tz300p_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-22278?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-22278 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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