CVE-2020-5139

HIGH

SonicOS < 5.9.1.13 and < 6.5.4.4 - Unauthenticated Denial of Service via SSLVPN Invalid Pointer Release

Title source: llm
STIX 2.1

Description

A vulnerability in SonicOS SSLVPN service allows a remote unauthenticated attacker to cause Denial of Service (DoS) due to the release of Invalid pointer and leads to a firewall 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 0.0174
EPSS Percentile 74.7%
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-763
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