CVE-2023-1101: SonicWall SonicOS

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

SonicOS SSLVPN improper restriction of excessive MFA attempts vulnerability allows an authenticated attacker to use excessive MFA codes.

Affected products

  • SonicWall SonicOS: before 7.0.1-5111 (fixed in 7.0.1-5111); up to and including 7.0.1-5083; up to and including 6.5.4.4-44v-21-1551; up to and including 6.5.4.11-97n

Published 2023-03-02. Last modified 2026-06-17.