CVE & CISA-KEV Catalog

CVE-2020-28055

HIGH
7.8
CVSS v3
NVD

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.

CWE-732Incorrect Permission Assignment for Critical Resource

How to fix

Remediation Available
32s330 firmwareNVD
Affected:< v8-r851t10-lf1v091Fixed in:v8-r851t10-lf1v091CVE-2020-28055derived from NVD
40s330 firmwareNVD
Affected:< v8-r851t10-lf1v091Fixed in:v8-r851t10-lf1v091CVE-2020-28055derived from NVD
43s434 firmwareNVD
Affected:< v8-r851t02-lf1v440Fixed in:v8-r851t02-lf1v440CVE-2020-28055derived from NVD
50s434 firmwareNVD
Affected:< v8-r851t02-lf1v440Fixed in:v8-r851t02-lf1v440CVE-2020-28055derived from NVD
55s434 firmwareNVD
Affected:< v8-r851t02-lf1v440Fixed in:v8-r851t02-lf1v440CVE-2020-28055derived from NVD
65s434 firmwareNVD
Affected:< v8-r851t02-lf1v440Fixed in:v8-r851t02-lf1v440CVE-2020-28055derived from NVD
75s434 firmwareNVD
Affected:< v8-r851t02-lf1v440Fixed in:v8-r851t02-lf1v440CVE-2020-28055derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.50%probability of exploitation in 30 days
39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2011-3923Critical9.889%-Fix
CVE-2018-15379Critical9.886%--
CVE-2018-1000207High7.264%--
CVE-2023-32986High8.863%--
CVE-2021-44521Critical9.155%-Fix
CVE-2018-13374Medium4.338%KEV + RansomFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.