Vulnerability CVE-2020-5143

Vulnerability Name:

CVE-2020-5143 (CCN-189660)

Assigned:

2019-12-31

Published:

2020-10-12

Updated:

2020-10-23

Summary:

SonicOS SSLVPN login page allows a remote unauthenticated attacker to perform firewall management administrator username enumeration based on the server responses. 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 SonicOS 7.0.0.0.

CVSS v3 Severity:

5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)

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

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)

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

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

Vulnerability Type:

CWE-203

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2020-5143

Source: XF
Type: UNKNOWN
sonicwall-cve20205143-info-disc(189660)

Source: CCN
Type: SonicWall Security Advisory SNWLID-2020-0018
SonicOS SSLVPN login page administrator username enumeration vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0018

Vulnerable Configuration:

Configuration 1:

cpe:/o:sonicwall:sonicos:*:*:*:*:*:*:*:* (Version <= 5.9.1.13)

OR cpe:/o:sonicwall:sonicos:*:*:*:*:*:*:*:* (Version >= 6.0.0.0 and <= 6.0.5.3)

OR cpe:/o:sonicwall:sonicos:*:*:*:*:*:*:*:* (Version >= 6.5.0.0 and <= 6.5.1.11)

OR cpe:/o:sonicwall:sonicos:*:*:*:*:*:*:*:* (Version >= 6.5.4.0 and <= 6.5.4.7)

OR cpe:/o:sonicwall:sonicos:7.0.0.0:*:*:*:*:*:*:*

OR cpe:/o:sonicwall:sonicosv:*:*:*:*:*:*:*:* (Version <= 6.5.4.4)

Denotes that component is vulnerable

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