CVE-2020-5319: dell emc_unity_operating_environment Improper Validation of Array Index

Vulnerability summary

CVE-2020-5319 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in dell emc_unity_operating_environment. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72.1% of scored vulnerabilities.

Timeline

1. 06-02-2020
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

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.

• CWE-129Improper Validation of Array IndexThe 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.