CVE-2020-28055

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.51% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 40.9% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-11-10 17:53Z5 YR AGO

Last updated

2024-08-04 16:33Z2 YR AGO

Reserved

2020-11-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-732Incorrect Permission Assignment for Critical ResourceClass

Data version

5.1

Document digest

742dd00e18a920a3c4390d6183107543eb155102206e2fb4419d730ffe233ef3

• twitter.comhttps://twitter.com/sickcodes/x_refsource_MISC
• twitter.comhttps://twitter.com/johnjhacking/x_refsource_MISC
• sick.codeshttps://sick.codes/extraordinary-vulnerabilities-discovered-in-tcl-android-tvs-now-worlds-3rd-largest-tv-manufacturer/x_refsource_MISC
• github.comhttps://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.mdx_refsource_MISC
• sick.codeshttps://sick.codes/sick-2020-012x_refsource_MISC
• github.comhttps://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdfx_refsource_MISC
• github.comhttps://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdfx_refsource_MISC
• securityledger.comhttps://securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/x_refsource_MISC
• securityledger.comhttps://securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/x_refsource_MISC
• support.tcl.comhttps://support.tcl.com/vulnerabilities-found-in-tcl-android-tvsx_refsource_MISC