Vulnerability Monitor

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CVE-2021-21547


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.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.4, requiring local system access to exploit but requires specific conditions to be met without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 3 products from dell, from dell, from dell organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-04-30T21:15:08.937

Last Modified

2024-11-21T05:48:34.163

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.4 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-312

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application dell unity_operating_environment < 5.0.7.0.5.008 Yes
Application dell unity_xt_operating_environment < 5.0.7.0.5.008 Yes
Application dell unityvsa_operating_environment < 5.0.7.0.5.008 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For dell's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.