Buffer overflow in Apple iOS And Ipados
CVE-2020-27944
A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file 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 (61.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.7% 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 iOS And Ipados — versions unspecified
- Apple Ipad OS
- Apple Iphone OS
- Apple macOS — versions unspecified
- 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)
Frequently asked questions
- What is CVE-2020-27944?
- CVE-2020-27944 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-04-02.
- How severe is CVE-2020-27944?
- High severity. CVSS v3 base score is 7.8 out of 10.