Vulnerability Name:

CVE-2021-20025 (CCN-201842)

Assigned:2020-12-17
Published:2021-05-13
Updated:2021-06-04
Summary:SonicWall Email Security Virtual Appliance version 10.0.9 and earlier versions contain a default username and a password that is used at initial setup. An attacker could exploit this transitional/temporary user account from the trusted domain to access the Virtual Appliance remotely only when the device is freshly installed and not connected to Mysonicwall.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-798
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-20025

Source: XF
Type: UNKNOWN
sonicwall-cve202120025-priv-esc(201842)

Source: CCN
Type: SNWLID-2021-0012
SonicWall Email Security Virtual Appliance Static Credential Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0012

Vulnerable Configuration:Configuration 1:
  • cpe:/a:sonicwall:email_security_virtual_appliance:*:*:*:*:*:*:*:* (Version <= 10.0.9)

    • Configuration CCN 1:
  • cpe:/a:sonicwall:e-mail_security:6.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:sonicwall:email_security_appliance:10.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:sonicwall:email_security:10.0.9:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    sonicwall email security virtual appliance *
    sonicwall e-mail security 6.1.1
    sonicwall email security appliance 10.0.2
    sonicwall email security 10.0.9