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Fencer Vulns
high 8.8

CVE-2021-25424 json

Improper authentication vulnerability in Tizen bluetooth-frwk prior to Firmware update JUN-2021 Release allows bluetooth attacker to take o…

published 2021-06-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12320

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

Improper authentication vulnerability in Tizen bluetooth-frwk prior to Firmware update JUN-2021 Release allows bluetooth attacker to take over the user's bluetooth device without user awareness.

Patch / fix

  • Samsung Mobile Tizen wearable devices Firmware update JUN-2021 Release

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.8 AV:A/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Samsung Mobile Tizen wearable devices

Classification

Weakness

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.