CVE-2019-8541 — A privacy issue existed in motion sensor calibration

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LOW

A privacy issue existed in motion sensor calibration

Published Dec 18, 2019

3.3

LOW

CVSS 3.1

EPSS 0.33%

Description

A privacy issue existed in motion sensor calibration. This issue was addressed with improved motion sensor processing. This issue is fixed in iOS 12.2, watchOS 5.2. A malicious app may be able to track users between installs.

Affected products

Vendor Apple Product iOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iOS 12.2
Vendor Apple Product watchOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <watchOS 5.2

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

Vendor

Product

Default status

Versions

Apple

iOS

n/a

Version	Status	Constraints
unspecified	affected	<iOS 12.2

Apple

watchOS

n/a

Version	Status	Constraints
unspecified	affected	<watchOS 5.2

Remediation

No remediation recorded yet.

Metrics

0.33% 0.00334

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

EPSS probability 0.00334

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	0.33% (0.00334)	24.43th	v5 (v2026.06.15)
Sep 20, 2026	0.33% (0.00334)	26.91th	v5 (v2026.06.15)
Jul 20, 2024	0.04% (0.00044)	12.95th	v3 (v2023.03.01)
May 25, 2024	0.04% (0.00044)	12.27th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00044)	10.26th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	1.40% (0.01404)	49.02th	v2 (v2022.01.01)
Feb 3, 2022	0.41% (0.00410)	3.56th	v5 (v2026.06.15)
Apr 14, 2021	0.09% (0.00092)	0.00th	v1

Weaknesses (0)

No CWE recorded.

References (2)

https://support.apple.com/HT209599
x_refsource_MISCVendor Advisory
https://support.apple.com/HT209602
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://support.apple.com/HT209599		x_refsource_MISCVendor Advisory
https://support.apple.com/HT209602		x_refsource_MISCVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner apple

Published Dec 18, 2019

Updated Aug 4, 2024

Reserved Feb 18, 2019

Link CVE-2019-8541

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2019-8541

Red Hat

Severity n/a

Public date n/a

Links CVE-2019-8541