HOMEVULNERABILITIESCVE-2023-6317
CRITICAL

CVE-2023-6317

CWE-639Published: April 9, 2024· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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

NVD Source

Technical Analysis

CVE-2023-6317 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

lg5 product(s)
weboslg43um7000plaoled55cxpuaoled48c1puboled55a23la
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/
ADVISORYhttps://lgsecurity.lge.com/bulletins/tv#updateDetails
ADVISORYhttps://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/
ADVISORYhttps://lgsecurity.lge.com/bulletins/tv#updateDetails

All References (4)

→
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

Quick Facts

CVE IDCVE-2023-6317
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-639
CISA KEVNo
Affected1 vendor(s)
PublishedApr 9, 2024

Related CVEs (CWE-639)

CVE-2024-45032
10.0
CVE-2025-0987
9.9
CVE-2026-45552
9.9
CVE-2026-29200
9.9
CVE-2026-55255
KEV9.9
CVE-2026-34037
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-6317 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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