CVE-2021-25435

CWE-20 — Improper Input Validation3 documents3 sources

Severity

9.8CRITICAL

EPSS

1.1%

top 22.00%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Samsung Mobile Tizen Wearable Devices Linux Tizen

Timeline

PublishedJul 8

Latest updateMay 24

Description

Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDlinux/tizen< 5.5

▶CVEListV5samsung_mobile/tizen_wearable_devicesTizen 5.5 — Firmware update JUL-2021 Release

🔴Vulnerability Details

GHSA

GHSA-qgcm-6r7q-m4wm: Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery p↗2022-05-24

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CVEList

CVE-2021-25435: Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery p↗2021-07-08

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