Vulnerability Details : CVE-2021-27943
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.
Products affected by CVE-2021-27943
- cpe:2.3:o:vizio:p65-f1_firmware:6.0.31.4-2:*:*:*:*:*:*:*
- cpe:2.3:o:vizio:e50x-e1_firmware:10.0.31.4-2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-27943
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-27943
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-27943
-
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-27943
-
https://www.vizio.com
Vendor Advisory
-
https://www.l9group.com/advisories/vizio-tv-mobile-pairing-is-vulnerable-to-brute-force-attacks
Vizio Smart TV Mobile Pairing is Vulnerable to Brute Force AttacksExploit;Third Party Advisory
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