Auth bypass in LG Lg43um7000pla
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
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.011 (63.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- LG Lg43um7000pla
- LG Oled48c1pub
- LG Oled55a23la
- LG Oled55cxpua
- LG Webos — versions 6.3.3-442, 7.3.1-43, 4.9.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/ (Exploit, Third Party Advisory)
- lgsecurity.lge.com/bulletins/tv (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-6317?
- CVE-2023-6317 is a high-severity vulnerability in LG Lg43um7000pla, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.2/10. Published 2024-04-09.
- How severe is CVE-2023-6317?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2023-6317 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.