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cveMitreCVE-2021-35954
HistoryDec 26, 2022 - 6:15 a.m.

CVE-2021-35954

2022-12-2606:15:10
mitre
web.nvd.nist.gov
21
cve-2021-35954
fastrack reflex 2.0
w307s_reflex_v90.89
firmware vulnerability
swd feature

CVSS3

8.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

24.6%

fastrack Reflex 2.0 W307S_REFLEX_v90.89 Activity Tracker allows physically proximate attackers to dump the firmware, flash custom malicious firmware, and brick the device via the Serial Wire Debug (SWD) feature.

Affected configurations

Nvd
Node
fastrackreflex_2.0_firmwareMatch90.89
AND
fastrackreflex_2.0Match-
VendorProductVersionCPE
fastrackreflex_2.0_firmware90.89cpe:2.3:o:fastrack:reflex_2.0_firmware:90.89:*:*:*:*:*:*:*
fastrackreflex_2.0-cpe:2.3:h:fastrack:reflex_2.0:-:*:*:*:*:*:*:*

CVSS3

8.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

24.6%

Related for CVE-2021-35954