Vulnerability in Apple iOS
CVE-2021-30776
A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Playing a malicious audio file may lead to an unexpected application termination.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.6% 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 — versions unspecified
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X — versions 10.15.7
- Apple Security Update - Catalina — versions unspecified
- Apple tvOS
- Apple watchOS
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT212601 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212602 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212605 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212600 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212604 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30776?
- CVE-2021-30776 is a medium-severity vulnerability in Apple iOS. CVSS score: 5.5/10. Published 2021-09-08.
- How severe is CVE-2021-30776?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-30776 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.