CVE-2023-6317

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A prompt bypass exists in the secondscreen.gateway service running on webOS version 4 through 7. An attacker can create a privileged account without asking the user for the security PIN.

Full versions and TV models affected:

webOS 4.9.7 - 5.30.40 running on LG43UM7000PLA webOS 5.5.0 - 04.50.51 running on OLED55CXPUA webOS 6.3.3-442 (kisscurl-kinglake) - 03.36.50 running on OLED48C1PUB webOS 7.3.1-43 (mullet-mebin) - 03.33.85 running on OLED55A23LA

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-639

Affected software

Vendor	Product	Versions
LG	WebOS	4.9.7; 5.5.0; 6.3.3-442; 7.3.1-43

References

https://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/Exploit, Third Party Advisory
https://lgsecurity.lge.com/bulletins/tv#updateDetailsVendor Advisory
https://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/Exploit, Third Party Advisory
https://lgsecurity.lge.com/bulletins/tv#updateDetailsVendor Advisory

Timeline

Published: Apr 9, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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