CVE-2023-0656

moderate-risk
Published 2023-03-02

A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.

Do I need to act?

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31.5% chance of exploitation in next 30 days
EPSS score — higher than 69% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Sonicwall

References (2)

Vendor Advisory https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004
Vendor Advisory https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004
47
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 16/34 · Moderate
Exposure 5/34 · Minimal