Vulnerability in Apple iOS And Ipados
CVE-2021-30840
This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
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: 0.011 (63.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
References
- support.apple.com/en-us/HT212814 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212819 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212815 (Release Notes, Vendor Advisory)
- support.apple.com/kb/HT212869 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30840?
- CVE-2021-30840 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 7.8/10. Published 2021-10-28.
- How severe is CVE-2021-30840?
- High severity. CVSS v3 base score is 7.8 out of 10.