CVE-2020-5319

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Dell EMC Unity, Dell EMC Unity XT, and Dell EMC UnityVSA versions prior to 5.0.2.0.5.009 contain a Denial of Service vulnerability on NAS Server SSH implementation that is used to provide SFTP service on a NAS server. A remote unauthenticated attacker may potentially exploit this vulnerability and cause a Denial of Service (Storage Processor Panic) by sending an out of order SSH protocol sequence.

Dell EMC Unity, Dell EMC Unity XT, and Dell EMC UnityVSA versiones anteriores a 5.0.2.0.5.009, presentan una vulnerabilidad de Denegación de Servicio en la implementación SSH de NAS Server que es usado para proporcionar el servicio SFTP en un servidor NAS. Un atacante remoto no autenticado puede explotar potencialmente esta vulnerabilidad y causar una Denegación de Servicio (Pánico en Procesador de Almacenamiento) mediante el envío de una secuencia de protocolo SSH fuera de orden.

*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

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-03 CVE Reserved
2020-02-06 CVE Published
2023-03-07 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-129: Improper Validation of Array Index

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.dell.com/support/security/en-us/details/540336/DSA-2020-019-Dell-EMC-Unity-Family-Dell-EMC-Unity-XT-Family-Denial-of-Service-Vulnerability	2020-02-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dell Search vendor "Dell"		Emc Unity Operating Environment Search vendor "Dell" for product "Emc Unity Operating Environment"				< 5.0.2.0.5.009 Search vendor "Dell" for product "Emc Unity Operating Environment" and version " < 5.0.2.0.5.009"		-		Affected
Dell Search vendor "Dell"		Emc Unity Xt Operating Environment Search vendor "Dell" for product "Emc Unity Xt Operating Environment"				< 5.0.2.0.5.009 Search vendor "Dell" for product "Emc Unity Xt Operating Environment" and version " < 5.0.2.0.5.009"		-		Affected
Dell Search vendor "Dell"		Emc Unityvsa Operating Environment Search vendor "Dell" for product "Emc Unityvsa Operating Environment"				< 5.0.2.0.5.009 Search vendor "Dell" for product "Emc Unityvsa Operating Environment" and version " < 5.0.2.0.5.009"		-		Affected