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.
EPSS: 0.010 (59.4th percentile) — read the EPSS interpretation.
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.
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
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, 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.