CVE-2021-1849: apple ios and ipados
CVSS: 7.5v3.1HighModified
Published 08-09-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-1849 is a high (CVSS 7.5) vulnerability in apple ios and ipados. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 60.8% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.95%
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
An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.95%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.95% on 21-09-2026
21-09-202621-10-2026
EPSS score0.95%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple6 products
- ios and ipados≥ unspecified, < 14.5
- ipados< 14.5
- iphone_os< 14.5
- macos≥ unspecified, < 11.3 | ≥ 11.0, < 11.3
- tvos≥ unspecified, < 14.5 | < 14.5
1 vendor · 6 products