What’s Vulnerable › Vulnerabilities

CVE-2021-21547

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-30 · updated 2026-06-17
• Weakness: CWE-312

Description

Dell EMC Unity, UnityVSA, and Unity XT versions prior to 5.0.7.0.5.008 contain a plain-text password storage vulnerability when the Dell Upgrade Readiness Utility is run on the system. The credentials of the Unisphere Administrator are stored in plain text. A local malicious user with high privileges may use the exposed password to gain access with the privileges of the compromised user.

Affected products

• Dell Unity: before 5.0.7.0.5.008 — fixed in 5.0.7.0.5.008
• Dell Unity Xt Operating Environment: before 5.0.7.0.5.008 — fixed in 5.0.7.0.5.008
• DELL EMC UnityVSA Operating Environment: before 5.0.7.0.5.008 — fixed in 5.0.7.0.5.008

How to fix

Upgrade to a fixed version: Dell Unity 5.0.7.0.5.008; Dell Unity Xt Operating Environment 5.0.7.0.5.008; DELL EMC UnityVSA Operating Environment 5.0.7.0.5.008. Check the vendor advisory for mitigations.

References

• https://www.dell.com/support/kbdoc/000185484
• https://www.dell.com/support/kbdoc/000185484

Get alerted when CVE-2021-21547 or the next vulnerability affects your stack