Actively exploited · Published Aug 23, 2024 · Assigned by sonicwall
CVE-2024-40766
Critical 9.3 Exploited Ransomware
In plain English
A critical-severity improper access control in SonicOS from SonicWall. Attackers are actively exploiting it in the wild (listed by CISA on September 9, 2024). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 18.4% (higher than 97% of all known vulnerabilities). Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Sep 30, 2024.
Official description
An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially leading to unauthorized resource access and in specific conditions, causing the firewall to crash. This issue affects SonicWall Firewall Gen 5 and Gen 6 devices, as well as Gen 7 devices running SonicOS 7.0.1-5035 and older versions.
Affected products (as reported)
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L