CVE-2023-6317 json
PIN/prompt bypass on the secondscreen.gateway service allows access to the SSAP API without user interaction
published 2024-04-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58559
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
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
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bitdefender.com https://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- LG WebOS
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
bitdefender.com
/blog/labs/vulnerabilities-identified-in-lg-webos/
exploit, third-party-advisory
-
lgsecurity.lge.com
/bulletins/tv#updateDetails
vendor-advisory
Sources
- CVE List CVE-2023-6317
- NVD CVE-2023-6317
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.