CVE-2021-27942
Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute...
Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed.
- Record
CVE-2021-27942- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed.
- Record
CVE-2021-27942- Updated
- 2026-11-02
EUVDEUVD-2021-14660 No score
Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed.
- Record
EUVD-2021-14660- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f4j5-954q-h2r6 No score
Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute...
Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed.
- Record
GHSA-f4j5-954q-h2r6- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27942 is a medium vulnerability (CVSS 6.8) in Vizio E50x-e1 Firmware, published August 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.