Vulnerability in Apple iOS And Ipados
CVE-2021-1761
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. A remote attacker may be able to cause a denial of service.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · 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 10.14.6, 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-2021-1761?
- CVE-2021-1761 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 7.5/10. Published 2021-04-02.
- How severe is CVE-2021-1761?
- High severity. CVSS v3 base score is 7.5 out of 10.