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CVE-2021-27944

CRITICALCVSS 9.8/10EPSS 3.54%

Last modified

CVE-2021-27944 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 3.54% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
3.54%

87.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
VizioP65-F1 Firmware6.0.31.4-2
VizioE50x-E1 Firmware10.0.31.4-2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-27944?
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.
How severe is CVE-2021-27944?
CVE-2021-27944 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.54% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27944?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27944?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST