Vulnerable product:

SonicOS, SonicOSv

Severity:

Severity level: High
Impact: Denial of service and potential arbitrary code execution in SonicOS
Access Vector: Remote

CVSS v3.0
Base Score: 9,4
Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H)
CVE-2020-5135

Vulnerability description:

The vulnerability, which is associated with buffer overflow in SonicOS, allows a remote attacker to cause a denial of service (DoS) and potentially execute arbitrary code.

Advisory status:

26.06.2020 - Vendor notification date
12.10.2020 - Security advisory publication date (https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010)

Credits:

The vulnerability was discovered by Nikita Abramov, Positive Research Center (Positive Technologies Company)