CVE-2021-25424

HIGH
8.8
CVSS Score
Published: June 11, 2021 at 02:33 PM UTC
Updated: June 17, 2026 at 03:42 AM UTC
19 products affected across 2 vendorsGear S3 FirmwareGear 2 FirmwareGear S2 Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.5
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
samsung-galaxy-watch-3 (same device)
v < 5.5
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
samsung-galaxy-watch-active-2 (same device)
v < 5.5
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
samsung-galaxy-watch-active (same device)
v < 5.5
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
samsung-galaxy-watch (same device)
v < 5.5
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
samsung-gear-2 (same device)
v < 5.5
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
samsung-gear-2-neo (same device)
v < 5.5
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
samsung-gear-s (same device)
v < 5.5
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
samsung-gear-s2 (same device)
v < 5.5
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
samsung-gear-s3 (same device)
5.5 ≤ v < Firmware update JUN-2021 Release5.5
Affected range stops below Firmware update JUN-2021 Release, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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