Vulnerability in Apple iOS And Ipados
CVE-2021-30740
A logic issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. A malicious application may be able to execute arbitrary code with kernel privileges.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple tvOS
- Apple watchOS
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT212528 (Vendor Advisory)
- support.apple.com/en-us/HT212529 (Vendor Advisory)
- support.apple.com/en-us/HT212532 (Vendor Advisory)
- support.apple.com/en-us/HT212533 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30740?
- CVE-2021-30740 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 7.8/10. Published 2021-09-08.
- How severe is CVE-2021-30740?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-30740 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.