Buffer overflow in Apple Icloud
CVE-2020-29611
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in tvOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, iCloud for Windows 12.0, watchOS 7.2. Processing a maliciously crafted image may lead to arbitrary code execution.
Vulnerability class: Buffer Overflow
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: 0.010 (62.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Apple Icloud
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X — versions 10.14.6, 10.15.7
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
References
- support.apple.com/en-us/HT212011 (Vendor Advisory)
- support.apple.com/en-us/HT212003 (Vendor Advisory)
- support.apple.com/en-us/HT212005 (Vendor Advisory)
- support.apple.com/en-us/HT212009 (Vendor Advisory)
- support.apple.com/en-us/HT212145 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-29611?
- CVE-2020-29611 is a high-severity vulnerability in Apple Icloud, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-04-02.
- How severe is CVE-2020-29611?
- High severity. CVSS v3 base score is 7.8 out of 10.