CVE-2019-8731 — A permissions issue existed in which execute permission was incorrectly granted

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MEDIUM

A permissions issue existed in which execute permission was incorrectly granted

Published Dec 18, 2019

5.5

MEDIUM

CVSS 3.1

EPSS 0.76%

Description

A permissions issue existed in which execute permission was incorrectly granted. This issue was addressed with improved permission validation. This issue is fixed in iOS 13. Processing a maliciously crafted file may disclose user information.

Affected products

Vendor Apple Product iOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iOS 13

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 13

Remediation

No remediation recorded yet.

Metrics

0.76% 0.00761

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

EPSS probability 0.00761

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	0.76% (0.00761)	53.66th	v5 (v2026.06.15)
Sep 20, 2026	0.76% (0.00761)	53.80th	v5 (v2026.06.15)
Jul 20, 2024	0.07% (0.00066)	29.37th	v3 (v2023.03.01)
Jun 11, 2024	0.07% (0.00066)	28.82th	v3 (v2023.03.01)
Mar 7, 2023	0.07% (0.00066)	26.79th	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	0.27% (0.00273)	2.44th	v5 (v2026.06.15)
Apr 14, 2021	0.06% (0.00061)	0.00th	v1