CVE-2021-27943
Vizio Smart TV Pairing Brute Force Vulnerability
Description
The pairing procedure used by the Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs and mobile application is vulnerable to a brute-force attack (against only 10000 possibilities), allowing a threat actor to forcefully pair the device, leading to remote control of the TV settings and configurations.
INFO
Published Date :
Aug. 2, 2021, 9:15 p.m.
Last Modified :
Nov. 21, 2024, 5:58 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-27943
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-27943.
| URL | Resource |
|---|---|
| https://www.l9group.com/advisories/vizio-tv-mobile-pairing-is-vulnerable-to-brute-force-attacks | Exploit Third Party Advisory |
| https://www.vizio.com | Vendor Advisory |
| https://www.l9group.com/advisories/vizio-tv-mobile-pairing-is-vulnerable-to-brute-force-attacks | Exploit Third Party Advisory |
| https://www.vizio.com | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-27943 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-27943 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://www.l9group.com/advisories/vizio-tv-mobile-pairing-is-vulnerable-to-brute-force-attacks Added Reference https://www.vizio.com -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Aug. 11, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://www.l9group.com/advisories/vizio-tv-mobile-pairing-is-vulnerable-to-brute-force-attacks No Types Assigned https://www.l9group.com/advisories/vizio-tv-mobile-pairing-is-vulnerable-to-brute-force-attacks Exploit, Third Party Advisory Changed Reference Type https://www.vizio.com No Types Assigned https://www.vizio.com Vendor Advisory Added CWE NIST CWE-307 Added CPE Configuration AND OR *cpe:2.3:o:vizio:p65-f1_firmware:6.0.31.4-2:*:*:*:*:*:*:* OR cpe:2.3:h:vizio:p65-f1:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:vizio:e50x-e1_firmware:10.0.31.4-2:*:*:*:*:*:*:* OR cpe:2.3:h:vizio:e50x-e1:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 05, 2021
Action Type Old Value New Value Removed Reference https://cvecps.mitre.org/cps/workitems/336365/update/ [No Types Assigned] Removed Reference https://www.l9group.com/advisories/vizio-tv-unauthenticated-remote-code-execution [No Types Assigned] Added Reference https://www.l9group.com/advisories/vizio-tv-mobile-pairing-is-vulnerable-to-brute-force-attacks [No Types Assigned] -
CVE Modified by [email protected]
Aug. 03, 2021
Action Type Old Value New Value Added Reference https://www.l9group.com/advisories/vizio-tv-unauthenticated-remote-code-execution [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-27943 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-27943
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} -0.12%
score
0.39519
percentile