Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-20024

Severity CVSS v4.0:
Pending analysis
Type:
CWE-125 Out-of-bounds Read
Publication date:
09/07/2021
Last modified:
16/07/2021

Description

Multiple Out-of-Bound read vulnerability in SonicWall Switch when handling LLDP Protocol allows an attacker to cause a system instability or potentially read sensitive information from the memory locations.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH
Vector 2.0
AV:A/AC:L/Au:N/C:P/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:A/AC:L/Au:N/C:P/I:N/A:C

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): Complete

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:sonicwall:switch:*:*:*:*:*:*:*:* 1.0.0.5-16 (including)
cpe:2.3:h:sonicwall:sws12-10fpoe:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sws12-8:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sws12-8poe:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sws14-24:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sws14-24fpoe:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sws14-48:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sws14-48fpoe:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools