CVE-2023-6317

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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
BitdefenderCNA
7.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CISA-ADPADP
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
VendorProductVersion
lgwebos
4.9.7
lgwebos
5.5.0
lgwebos
6.3.3-442
lgwebos
7.3.1-43
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/
https://lgsecurity.lge.com/bulletins/tv#updateDetails
https://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/
https://lgsecurity.lge.com/bulletins/tv#updateDetails