VDB-149782 · CVE-2020-5319 · DSA-2020-019

Dell EMC EMC Unity/Unity XT/UnityVSA prior 5.0.2.0.5.009 SFTP Service array index

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Dell EMC EMC Unity, Unity XT and UnityVSA. The affected element is an unknown function of the component SFTP Service. Executing a manipulation can lead to array index. This vulnerability is tracked as CVE-2020-5319. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Dell EMC EMC Unity, Unity XT and UnityVSA and classified as problematic. This vulnerability affects an unknown part of the component SFTP Service. The manipulation with an unknown input leads to a array index vulnerability. The CWE definition for the vulnerability is CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was disclosed 02/06/2020. This vulnerability was named CVE-2020-5319 since 01/03/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 5.0.2.0.5.009 eliminates this vulnerability.

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Productinfo

Vendor

Dell EMC

Name

License

commercial

Website

Vendor: https://www.dellemc.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Dell): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Array index
CWE: CWE-129 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: EMC Unity/Unity XT/UnityVSA 5.0.2.0.5.009

Timelineinfo

01/03/2020 🔍
02/06/2020 +34 days 🔍
02/07/2020 +1 days 🔍
03/28/2024 +1511 days 🔍

Sourcesinfo

Vendor: dellemc.com

Advisory: DSA-2020-019
Status: Not defined

CVE: CVE-2020-5319 (🔍)
GCVE (CVE): GCVE-0-2020-5319
GCVE (VulDB): GCVE-100-149782

Entryinfo

Created: 02/07/2020 11:21
Updated: 03/28/2024 19:27
Changes: 02/07/2020 11:21 (36), 02/07/2020 11:26 (11), 03/28/2024 19:20 (18), 03/28/2024 19:27 (19)
Complete: 🔍
Cache ID: 216::103