CVE-2021-1007 — In btu_hcif_process_event of btu_hcif.cc, there is a possible out of bounds read due to an incorrect bounds check

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MEDIUM

In btu_hcif_process_event of btu_hcif.cc, there is a possible out of bounds read due to an incorrect bounds check

Published Dec 15, 2021

4.4

MEDIUM

CVSS 3.1

EPSS 0.11%

Description

In btu_hcif_process_event of btu_hcif.cc, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-167759047

Affected products

Vendor n/a Product Android Default
n/a
- Version
  Android-12
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

n/a

Android

n/a

Version	Status	Constraints
Android-12	affected	-

Remediation

No remediation recorded yet.

Metrics

0.11% 0.00113

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00113

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.11% (0.00113)	1.32th	v5 (v2026.06.15)
Jun 15, 2026	0.11% (0.00113)	1.72th	v5 (v2026.06.15)
Mar 17, 2025	0.02% (0.00016)	1.89th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00042)	5.07th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	1.04% (0.01036)	43.31th	v2 (v2022.01.01)
Feb 4, 2022	1.04% (0.01036)	20.62th	v2 (v2022.01.01)
Feb 3, 2022	0.16% (0.00160)	0.76th	v5 (v2026.06.15)
Dec 16, 2021	0.39% (0.00389)	8.15th	v1