CVE-2020-5140

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service by sending a malicious HTTP request that leads to memory addresses leak. 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.

Una vulnerabilidad en SonicOS, permite a un atacante remoto no autenticado causar una denegación de servicio (DoS) en el servicio SSLVPN del firewall mediante el envío de una petición HTTP maliciosa que conlleva a un filtrado de direcciones de la memoria. Esta vulnerabilidad afectó a SonicOS Gen 5 versiones 5.9.1.7, 5.9.1.13, Gen 6 versiones 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv versión 6.5.4.v y SonicOS Gen 7 versión 7.0.0.0

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-31 CVE Reserved
2020-10-12 CVE Published
2023-06-28 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0015	2020-10-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Sonicwall Search vendor "Sonicwall"		Sonicos Search vendor "Sonicwall" for product "Sonicos"				<= 5.9.1.13 Search vendor "Sonicwall" for product "Sonicos" and version " <= 5.9.1.13"		-		Affected
Sonicwall Search vendor "Sonicwall"		Sonicos Search vendor "Sonicwall" for product "Sonicos"				>= 6.0.0.0 <= 6.0.5.3 Search vendor "Sonicwall" for product "Sonicos" and version " >= 6.0.0.0 <= 6.0.5.3"		-		Affected
Sonicwall Search vendor "Sonicwall"		Sonicos Search vendor "Sonicwall" for product "Sonicos"				>= 6.5.0.0 <= 6.5.1.11 Search vendor "Sonicwall" for product "Sonicos" and version " >= 6.5.0.0 <= 6.5.1.11"		-		Affected
Sonicwall Search vendor "Sonicwall"		Sonicos Search vendor "Sonicwall" for product "Sonicos"				>= 6.5.4.0 <= 6.5.4.7 Search vendor "Sonicwall" for product "Sonicos" and version " >= 6.5.4.0 <= 6.5.4.7"		-		Affected
Sonicwall Search vendor "Sonicwall"		Sonicos Search vendor "Sonicwall" for product "Sonicos"				7.0.0.0 Search vendor "Sonicwall" for product "Sonicos" and version "7.0.0.0"		-		Affected
Sonicwall Search vendor "Sonicwall"		Sonicosv Search vendor "Sonicwall" for product "Sonicosv"				<= 6.5.4.4 Search vendor "Sonicwall" for product "Sonicosv" and version " <= 6.5.4.4"		-		Affected