CVE-2021-1756: apple ios and ipados
CVSS: 2.4v3.1LowModified
Published 02-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-1756 is a low (CVSS 2.4) vulnerability in apple ios and ipados. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.8% of scored vulnerabilities.
CVSS score
2.4/10
010
Low · v3.1 (NVD)EPSS score
0.32%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 02-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management. This issue is fixed in iOS 14.4 and iPadOS 14.4. An attacker with physical access to a device may be able to see private contact information.
CVSS metrics
2 scores · 1 source · 2 versionsLow 2.4Preferred score · NVD (NIST)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSourcesSingle source
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.32% on 18-09-2026
18-09-202618-10-2026
EPSS score0.32%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Apple3 products
- ios and ipados≥ unspecified, < 14.4
- ipados< 14.4
- iphone_os< 14.4
1 vendor · 3 products