9.8

CVE-2020-5135

Warnung

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS 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.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Sonicwall ≫ Sonicos Version <= 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

15.03.2022: CISA Known Exploited Vulnerabilities (KEV) Catalog

SonicWall SonicOS Buffer Overflow Vulnerability

Schwachstelle

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall.

Beschreibung

Apply updates per vendor instructions.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 27.33% 0.963
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.