What’s Vulnerable › Vulnerabilities

CVE-2020-29490

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-05 · updated 2026-06-17
• Weakness: CWE-400

Description

Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.0.4.0.5.012 contain a Denial of Service vulnerability on NAS Servers with NFS exports. A remote authenticated attacker could potentially exploit this vulnerability and cause Denial of Service (Storage Processor Panic) by sending specially crafted UDP requests.

Affected products

• Dell Emc Unity Operating Environment: before 5.0.4.0.5.012 — fixed in 5.0.4.0.5.012
• Dell Emc Unity Vsa Operating Environment: before 5.0.4.0.5.012 — fixed in 5.0.4.0.5.012
• Dell Emc Unity Xt Operating Environment: before 5.0.4.0.5.012 — fixed in 5.0.4.0.5.012

How to fix

Upgrade to a fixed version: Dell Emc Unity Operating Environment 5.0.4.0.5.012; Dell Emc Unity Vsa Operating Environment 5.0.4.0.5.012; Dell Emc Unity Xt Operating Environment 5.0.4.0.5.012. Check the vendor advisory for mitigations.

References

• https://www.dell.com/support/kbdoc/000181248
• https://www.dell.com/support/kbdoc/000181248

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