CVE-2020-5141 : A vulnerability in SonicOS allows a remote unauthenticated attacker to brute force Virtual Assist ticket ID in the firew

A vulnerability in SonicOS allows a remote unauthenticated attacker to brute force Virtual Assist ticket ID in the firewall SSLVPN service. 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.

Published 2020-10-12 11:15:13

Updated 2020-10-23 00:45:32

Source SonicWALL, Inc.

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-5141

EPSS FAQ

0.15%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 51 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-5141

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.4	MEDIUM	AV:N/AC:L/Au:N/C:P/I:P/A:N	10.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	3.9	2.5	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2020-5141

CWE-307 Improper Restriction of Excessive Authentication Attempts

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.

Assigned by: nvd@nist.gov (Primary)

CWE-799 Improper Control of Interaction Frequency

The product does not properly limit the number or frequency of interactions that it has with an actor, such as the number of incoming requests.

Assigned by: PSIRT@sonicwall.com (Secondary)

Products affected by CVE-2020-5141

Sonicwall » Sonicos
Versions from including (>=) 6.5.0.0 and up to, including, (<=) 6.5.1.11
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
Matching versions
Sonicwall » Sonicos
Versions from including (>=) 6.0.0.0 and up to, including, (<=) 6.0.5.3
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
Matching versions
Sonicwall » Sonicos
Versions from including (>=) 6.5.4.0 and up to, including, (<=) 6.5.4.7
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
Matching versions
Sonicwall » Sonicos
Versions up to, including, (<=) 5.9.1.13
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
Matching versions
Sonicwall » Sonicos » Version: 7.0.0.0
cpe:2.3:o:sonicwall:sonicos:7.0.0.0:*:*:*:*:*:*:*
Matching versions
Sonicwall » Sonicosv
Versions up to, including, (<=) 6.5.4.4
cpe:2.3:o:sonicwall:sonicosv:*:*:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2020-5141

Exploit prediction scoring system (EPSS) score for CVE-2020-5141

CVSS scores for CVE-2020-5141

CWE ids for CVE-2020-5141

References for CVE-2020-5141

Products affected by CVE-2020-5141