CVE-2020-5133

HIGH

Sonicwall Sonicos < 6.0.5.3 - Buffer Overflow

Title source: rule
STIX 2.1

Description

A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service due to buffer overflow, which leads to a firewall crash. This vulnerability affected SonicOS Gen 6 version 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0053
EPSS Percentile 67.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-120
Status published
Products (3)
sonicwall/sonicos 7.0.0.0
sonicwall/sonicos 6.0.0.0 - 6.0.5.3
sonicwall/sonicosv < 6.5.4.4
Published Oct 12, 2020
Tracked Since Feb 18, 2026