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01 Record

CVE-2020-13839

An issue was discovered on LG mobile devices with Android OS 7.2, 8.0, 8.1, 9, and 10 (MTK chipsets). Code execution can occur via a custom AT command handler buffer overflow. The LG ID is

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

An issue was discovered on LG mobile devices with Android OS 7.2, 8.0, 8.1, 9, and 10 (MTK chipsets). Code execution can occur via a custom AT command handler buffer overflow. The LG ID is

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.86% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 58.4% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-06-04 23:24Z6 YR AGO
Last updated
2024-08-04 12:25Z2 YR AGO
Reserved
2020-06-04
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
05efcbbccb1ad01373becab903abd4186e97e2bcadf8dafd824505b829f4750e

05 Affected products

VendorProductVersionsPlatforms
googleandroidNot specified—
lgcv1Not specified—
lgcv1sNot specified—
lgcv3Not specified—
lgcv5Not specified—
lgcv7Not specified—
lgcv7asNot specified—
lgdh10Not specified—
lgdh15Not specified—
lgdh30Not specified—
lgdh35Not specified—
lgdh40Not specified—
lgdh5Not specified—
lgdh50Not specified—
lgg6Not specified—
lgg7Not specified—
lgg8Not specified—
lgk20Not specified—
lgk30Not specified—
lgk40Not specified—
lgk50Not specified—
lgq6Not specified—
lgq60Not specified—
lgq70Not specified—
lgq8Not specified—
lgv20Not specified—
lgv30Not specified—
lgv35Not specified—
lgv40Not specified—
lgv50Not specified—
lgv60Not specified—
lgx300Not specified—
lgx400Not specified—
lgx500Not specified—
lgx_camNot specified—

06 References