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01 Record

CVE-2020-12747

An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830 chipsets) software. The Bootloader has a heap-based buffer overflow because of the mishandling of

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830 chipsets) software. The Bootloader has a heap-based buffer overflow because of the mishandling of

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
0.44% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 37.9% 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
2020-05-11 15:15Z6 YR AGO
Last updated
2024-08-04 12:04Z2 YR AGO
Reserved
2020-05-08
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
4798c469e42692b6fcb8f1771804d8d3cf5beb59f552e9b124f2708db580cc92

05 Affected products

VendorProductVersionsPlatforms
googleandroidNot specified—
samsungexynos980(9630)Not specified—
samsungexynos990(9830)Not specified—

06 References