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TI-2021-04620 Aliases CVE-2021-21535GHSA-4mmw-26jr-m4mm

Missing authentication in Dell Hybrid Client

Priority LOW 33CWE-306Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.

Summary

Dell Hybrid Client versions prior to 1.5 contain a missing authentication for a critical function vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to gain root level access to the system.

Why it matters now

EPSS 0.00204 10th percentileScored 2026-11-07
Fix Fixed Dell Hybrid Client (DHC) (Dell): 1.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
DellDell Hybrid Client (DHC)before 1.51.5Patch availableCNA
  • Dell Hybrid Client (DHC) VendorDell Affected before 1.5 Fixed in 1.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dell:hybrid_client:*:*:*:*:*:*:*:*before 1.5VulnerableDell
  • cpe:2.3:a:dell:hybrid_client:*:*:*:*:*:*:*:* Versions before 1.5 Vulnerable ·Dell

Remediation

  • Fix · CNA Dell Hybrid Client (DHC) (Dell) Fixed in 1.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Dell Hybrid Client (DHC) 1.5

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2021-04622 Information disclosure in Dell Hybrid ClientPriority LOW 27
    • TI-2021-04621 Information disclosure in Dell Hybrid ClientPriority LOW 27
    • TI-2021-04619 Information disclosure in Dell Hybrid ClientPriority LOW 18
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21535
  2. 2026-10-03 Alias added: GHSA-4mmw-26jr-m4mm

References

Advisory 1

  • TI-2022-15330 Command injection in Dell Hybrid Client CVSS 3.1HIGH 8.2
  • TI-2022-15328 Path traversal in Dell Hybrid Client CVSS 3.1HIGH 7.5
  • TI-2022-15329 Improper access control in Dell Hybrid Client CVSS 3.1MEDIUM 6.5
  • TI-2022-15327 Path traversal in Dell Hybrid Client CVSS 3.1HIGH 7.1
  • TI-2023-15758 Information disclosure in Dell Hybrid Client CVSS 3.1MEDIUM 6.4
  • TI-2021-04622 Information disclosure in Dell Hybrid Client CVSS 3.1MEDIUM 6.2
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences