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CVE-2020-5319

HIGH
7.5
CVSS Score
Published: February 6, 2020 at 05:45 PM UTC
Updated: June 17, 2026 at 03:21 AM UTC
4 products affected across 1 vendorEMC Unity Operating EnvironmentEMC Unityvsa Operating EnvironmentEMC Unity Xt Operating Environment

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

EMC Unity Operating Environment· Dell
95%
v < 5.0.2.0.5.009
Affected range stops below 5.0.2.0.5.009, so it looks safe — our inference, not a vendor statement
EMC Unity Xt Operating Environment· Dell
95%
v < 5.0.2.0.5.009
Affected range stops below 5.0.2.0.5.009, so it looks safe — our inference, not a vendor statement
EMC Unityvsa Operating Environment· Dell
95%
v < 5.0.2.0.5.009
Affected range stops below 5.0.2.0.5.009, so it looks safe — our inference, not a vendor statement
Unity Operating Environment· Dell
60%
v < 5.0.2.0.5.009
Affected range stops below 5.0.2.0.5.009, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
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

CVSS

7.5HIGHdell
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-129

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