6.5

CVE-2020-5136

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.

Data is provided by the National Vulnerability Database (NVD)
Sonicwall ≫ Sonicos Version <= 5.9.1.13
Sonicwall ≫ Sonicos Version >= 6.0.0.0 <= 6.0.5.3
Sonicwall ≫ Sonicos Version >= 6.5.0.0 <= 6.5.1.11
Sonicwall ≫ Sonicos Version >= 6.5.4.0 <= 6.5.4.7
Sonicwall ≫ Sonicos Version7.0.0.0
Sonicwall ≫ Sonicosv Version <= 6.5.4.4
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.31% 0.541
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 4 8 2.9
AV:N/AC:L/Au:S/C:N/I:N/A:P
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.