Vulnerability in Apple Icloud
CVE-2021-1811
A logic issue was addressed with improved state management. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing a maliciously crafted font may result in the disclosure of process memory.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.017 (76.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Apple Icloud
- Apple Icloud For Windows — versions unspecified
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple Itunes
- Apple Itunes For Windows — versions unspecified
- Apple macOS — versions unspecified
- Apple Mac OS X — versions 10.14.6, 10.15.6, 10.15.7
- Apple tvOS — versions unspecified
References
- support.apple.com/en-us/HT212317 (Vendor Advisory)
- support.apple.com/en-us/HT212323 (Vendor Advisory)
- support.apple.com/en-us/HT212324 (Vendor Advisory)
- support.apple.com/en-us/HT212325 (Vendor Advisory)
- support.apple.com/en-us/HT212326 (Vendor Advisory)
- support.apple.com/en-us/HT212327 (Vendor Advisory)
- support.apple.com/en-us/HT212319 (Vendor Advisory)
- support.apple.com/en-us/HT212321 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1811?
- CVE-2021-1811 is a medium-severity vulnerability in Apple Icloud. CVSS score: 6.5/10. Published 2021-09-08.
- How severe is CVE-2021-1811?
- Medium severity. CVSS v3 base score is 6.5 out of 10.