CVE-2021-21535 json
Dell Hybrid Client versions prior to 1.5 contain a missing authentication for a critical function vulnerability.
published 2021-04-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8807
- cvss
- 7.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
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.
Patch / fix
- Dell Dell Hybrid Client (DHC) 1.5
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.4 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Dell Dell Hybrid Client (DHC)
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
Sources
- CVE List CVE-2021-21535
- NVD CVE-2021-21535
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