CVE-2021-1831: apple ios and ipados Incorrect Default Permissions
CVSS: 5.5v3.1MediumModified
Published 08-09-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-1831 is a medium (CVSS 5.5) Incorrect Default Permissions vulnerability in apple ios and ipados. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.3% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.97%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-09-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The issue was addressed with improved permissions logic. This issue is fixed in iOS 14.5 and iPadOS 14.5. An application may allow shortcuts to access restricted files.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.97%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.97% on 20-09-2026
20-09-202620-10-2026
EPSS score0.97%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple3 products
- ios and ipados≥ unspecified, < 14.5
- ipados< 14.5
- iphone_os< 14.5
1 vendor · 3 products