Vulnerability in Apple iOS And Ipados
CVE-2021-30677
This issue was addressed with improved environment sanitization. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to break out of its sandbox.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (26.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- 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
- Apple watchOS
References
- support.apple.com/kb/HT212602 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212600 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212603 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212528 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212529 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212532 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212533 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30677?
- CVE-2021-30677 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 8.8/10. Published 2021-09-08.
- How severe is CVE-2021-30677?
- High severity. CVSS v3 base score is 8.8 out of 10.