Vulnerability in Apple iOS And Ipados
CVE-2021-1793
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image 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: 0.010 (60.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.2% 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 Mac OS X — versions 10.15.7
- Apple tvOS
- Apple watchOS
References
- support.apple.com/en-us/HT212147 (Vendor Advisory)
- support.apple.com/en-us/HT212146 (Vendor Advisory)
- support.apple.com/en-us/HT212148 (Vendor Advisory)
- support.apple.com/en-us/HT212149 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1793?
- CVE-2021-1793 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 7.8/10. Published 2021-04-02.
- How severe is CVE-2021-1793?
- High severity. CVSS v3 base score is 7.8 out of 10.