Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-20019

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
23/06/2021
Last modified:
05/08/2022

Description

A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data disclosure vulnerability.

Impact

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

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:* 7.0.0 (including) 7.0.0.376 (excluding)
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:* 7.0.1 (including) 7.0.1-r1036 (excluding)
cpe:2.3:o:sonicwall:sonicos:6.0.5.3-94o:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sonicos:6.5.1.12-3n:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sonicos:6.5.4.7-83n:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sonicosv:6.5.4.4-44v-21-955:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools