CVE-2020-28055

HIGH

TCL 32s330 Firmware - Incorrect Permission Assignment

Title source: rule
STIX 2.1

Description

A vulnerability in the TCL Android Smart TV series V8-R851T02-LF1 V295 and below and V8-T658T01-LF1 V373 and below by TCL Technology Group Corporation allows a local unprivileged attacker, such as a malicious App, to read & write to the /data/vendor/tcl, /data/vendor/upgrade, and /var/TerminalManager directories within the TV file system. An attacker, such as a malicious APK or local unprivileged user could perform fake system upgrades by writing to the /data/vendor/upgrage folder.

References (10)

Core 10
Core References
Third Party Advisory x_refsource_misc
https://twitter.com/sickcodes/
Third Party Advisory x_refsource_misc
https://twitter.com/johnjhacking/
Exploit, Third Party Advisory x_refsource_misc
https://sick.codes/sick-2020-012

Scores

CVSS v3 7.8
EPSS 0.0009
EPSS Percentile 25.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-732
Status published
Products (7)
tcl/32s330_firmware < v8-r851t10-lf1v091
tcl/40s330_firmware < v8-r851t10-lf1v091
tcl/43s434_firmware < v8-r851t02-lf1v440
tcl/50s434_firmware < v8-r851t02-lf1v440
tcl/55s434_firmware < v8-r851t02-lf1v440
tcl/65s434_firmware < v8-r851t02-lf1v440
tcl/75s434_firmware < v8-r851t02-lf1v440
Published Nov 10, 2020
Tracked Since Feb 18, 2026