CVE-2020-28055

2020-11-1017:53:07

mitre

www.cve.org

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

47.5%

JSON

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

github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.md

github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdf

github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdf

securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/

securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/

sick.codes/extraordinary-vulnerabilities-discovered-in-tcl-android-tvs-now-worlds-3rd-largest-tv-manufacturer/

sick.codes/sick-2020-012

support.tcl.com/vulnerabilities-found-in-tcl-android-tvs

twitter.com/johnjhacking/

twitter.com/sickcodes/