Security readout for executives and security teams
Plain-English summary
This CVE describes an LTE authentication weakness in certain older LG mobile devices. In plain terms, a flaw in how affected phones handle mobile-network authentication could allow bypassing the AKA process. The public record does not provide severity, CVSS, exploit evidence, or fixed build details.
Executive priority
Prioritize this as an asset-governance issue unless affected devices are still used in sensitive operations. The main decision is whether legacy LG CDMA devices remain in service and whether vendor or carrier fixes are available.
Technical view
CVE-2019-20783 affects LG mobile devices running Android OS 7.0, 7.1, 7.2, 8.0, and 8.1 North America CDMA software. The issue is in LTE protocol implementation and allows AKA authentication bypass. LG tracked it as LVE-SMP-180014 in February 2019.
Likely exposure
Exposure appears limited to legacy LG North America CDMA mobile devices on the named Android versions. Organizations are most likely affected if they still manage or permit these devices for corporate use, field operations, BYOD, or mobile-network-dependent workflows.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked KEV. They also do not describe attacker prerequisites, exploit maturity, or practical impact. Treat exploitability as unclear until validated against LG or carrier guidance.
Researcher notes
Public detail is sparse: no CVSS, CWE, exploit status, fixed version, or technical advisory text is included in the source bundle. Analysis should stay constrained to LTE AKA bypass on specified LG Android North America CDMA software.
Mitigation direction
- Inventory LG North America CDMA devices and record Android version and firmware build.
- Check LG and carrier security guidance for LVE-SMP-180014 fixed builds.
- Update affected devices where a vendor or carrier fixed build is available.
- Retire or replace unsupported affected devices if no fixed build is available.
- Restrict affected devices from sensitive corporate workflows until exposure is resolved.
Validation and detection
- Confirm whether managed or BYOD fleets include LG North America CDMA devices.
- Compare device Android versions against 7.0, 7.1, 7.2, 8.0, and 8.1.
- Review MDM, asset, and carrier records for firmware build and patch status.
- Document devices that cannot receive vendor or carrier fixes.
- Monitor LG security advisories for LVE-SMP-180014 details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-20783 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://lgsecurity.lge.com/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.