CVE-2021-27944
9.8
CRITICAL · CVSS 3.1 · EPSS 3.5% (pctl 89)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
Several high privileged APIs on the Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs do not enforce access controls, allowing an unauthenticated threat actor to access privileged functionality, leading to OS command execution. The specific attack methodology is a file upload.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.54% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-08-26 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| vizio | e50x-e1 |
| vizio | e50x-e1 firmware |
| vizio | p65-f1 |
| vizio | p65-f1 firmware |
References
→ the Explorer · watch your stack · NVD