How severe is CVE-2023-6317?

CVE-2023-6317 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-6317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6317?

CVE-2023-6317 primarily affects Lg Webos. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-6317?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-6317 have an EU (EUVD) identifier?

Yes. CVE-2023-6317 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58559.

When was CVE-2023-6317 published?

CVE-2023-6317 was published on 2024-04-09 and last updated on 2026-06-17.

CVE-2023-6317

CVE-2023-6317 is a high-severity vulnerability in Lg Webos with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58559
Weakness: CWE-639
Affected product: Lg Webos
Published: 2024-04-09
Last modified: 2026-06-17

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

Frequently asked questions

What is 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
How severe is CVE-2023-6317?: CVE-2023-6317 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-6317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6317?: CVE-2023-6317 primarily affects Lg Webos. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-6317?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-6317 have an EU (EUVD) identifier?: Yes. CVE-2023-6317 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58559.
When was CVE-2023-6317 published?: CVE-2023-6317 was published on 2024-04-09 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:lg:webos:4.9.7:*:*:*:*:*:*:*
cpe:2.3:o:lg:webos:5.5.0:*:*:*:*:*:*:*
cpe:2.3:o:lg:webos:6.3.3-442:*:*:*:*:*:*:*
cpe:2.3:o:lg:webos:7.3.1-43:*:*:*:*:*:*:*

More vulnerabilities in Lg Webos

CVE-2022-23730 — Critical (CVSS 9.8): The public API error causes for the attacker to be able to bypass API access control.
CVE-2023-6320 — Critical (CVSS 9.1): A command injection vulnerability exists in the com.webos.service.connectionmanager/tv/setVlanStaticAddress endpoint on…
CVE-2023-6319 — Critical (CVSS 9.1): A command injection vulnerability exists in the getAudioMetadata method from the…
CVE-2023-6318 — Critical (CVSS 9.1): A command injection vulnerability exists in the processAnalyticsReport method from the…
CVE-2022-23731 — High (CVSS 7.8): V8 javascript engine (heap vulnerability) can cause privilege escalation ,which can impact on some webOS TV models.
CVE-2022-23727 — High (CVSS 7.8): There is a privilege escalation vulnerability in some webOS TVs. Due to wrong setting environments, local attacker is…

All CVEs affecting Lg Webos →

Other CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities

CVE-2025-40805 — Critical (CVSS 10.0): Affected devices do not properly enforce user authentication on specific API endpoints. This could facilitate an…
CVE-2024-45032 — Critical (CVSS 10.0): A vulnerability has been identified in Industrial Edge Management Pro (All versions < V1.9.5), Industrial Edge…
CVE-2026-34037 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-52782 — Critical (CVSS 9.9): OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is an IDOR through…
CVE-2026-45552 — Critical (CVSS 9.9): Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior,…
CVE-2026-29200 — Critical (CVSS 9.9): A critical IDOR vulnerability has been discovered in Comet Backup affecting all versions from 20.11.0 to 26.1.1 and…

Browse all CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities →