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Fencer Vulns
medium 5.5

CVE-2020-12296 json

Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial…

published 2021-06-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4608

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits
0
none known

Summary

Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.

Patch / fix

  • intel jhl6240_thunderbolt_3_firmware 21
  • intel jhl6340_thunderbolt_3_firmware 46
  • intel jhl6540_thunderbolt_3_firmware 46
  • intel jhl7040_thunderbolt_3_retimer_firmware 22
  • intel jhl7340_thunderbolt_3_firmware 60
  • intel jhl7440_thunderbolt_3_firmware 60
  • intel jhl7540_thunderbolt_3_firmware 60
  • intel jhl8010r_usb_retimer_firmware 41
  • intel jhl8040r_thunderbolt_4_retimer_firmware 41

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

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

Affected products

  • n/a Intel(R) Thunderbolt(TM) controllers

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

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.