CVE-2020-5138

HIGH

Sonicwall Sonicos < 5.9.1.13 - Out-of-Bounds Write

Title source: rule
STIX 2.1

Description

A Heap Overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service and leads to SonicOS crash. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0050
EPSS Percentile 65.9%
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-122 CWE-787
Status published
Products (3)
sonicwall/sonicos 7.0.0.0
sonicwall/sonicos < 5.9.1.13
sonicwall/sonicosv < 6.5.4.4
Published Oct 12, 2020
Tracked Since Feb 18, 2026