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Fencer Vulns
medium 6.2

CVE-2021-21537 json

Dell Hybrid Client versions prior to 1.5 contain an information exposure vulnerability.

published 2021-04-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8809

cvss
6.2
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 14%
public exploits
0
none known

Summary

Dell Hybrid Client versions prior to 1.5 contain an information exposure vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to view and exfiltrate sensitive information on the system.

Patch / fix

  • Dell Dell Hybrid Client (DHC) 1.5

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Dell Dell Hybrid Client (DHC)

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.