CVE-2020-5135

KEV
Published: Ott 12, 2020 Last Modified: Ott 31, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,2259
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu)
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Likelihood of Exploit: High
View CWE Details
Operating System

Sonicos by Sonicwall

Product Information
Vendor Sonicwall
Product Sonicos
Version 7.0.0.0
cpe:2.3:o:sonicwall:sonicos:7.0.0.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Sonicos by Sonicwall

Product Information
Vendor Sonicwall
Product Sonicos
Version Range Affected
From 6.5.0.0 (inclusive)
To 6.5.1.11 (inclusive)
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Sonicos by Sonicwall

Product Information
Vendor Sonicwall
Product Sonicos
Version Range Affected
To 6.0.5.3 (inclusive)
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Sonicos by Sonicwall

Product Information
Vendor Sonicwall
Product Sonicos
Version Range Affected
From 6.5.4.0 (inclusive)
To 6.5.4.7 (inclusive)
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Sonicosv by Sonicwall

Product Information
Vendor Sonicwall
Product Sonicosv
Version Range Affected
To 6.5.4.4 (inclusive)
cpe:2.3:o:sonicwall:sonicosv:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020…
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-…
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-…
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010