CVEvulnerability

CVE-2020-5136

6.5 MEDIUM Published 2020-10-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-10-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
Weaknesses
CWE-120

Description

A buffer overflow vulnerability in SonicOS allows an authenticated attacker to cause Denial of Service (DoS) in the SSL-VPN and virtual assist portal, which 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 7.0.0.0.

Affected configurations

• sonicwall sonicos (<= 5.9.1.13) • sonicwall sonicos (>= 6.0.0.0 <= 6.0.5.3) • sonicwall sonicos (>= 6.5.0.0 <= 6.5.1.11) • sonicwall sonicos (>= 6.5.4.0 <= 6.5.4.7) • sonicwall sonicos 7.0.0.0 • sonicwall sonicosv (<= 6.5.4.4)

Related

Weakness · CWE (1)

  • CWE-120 Buffer Copy without Checking Size of Input weakness

References