Vulnerability in Apple iOS
CVE-2021-30796
A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing a maliciously crafted image may lead to a denial of service.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X — versions 10.14, 10.14.0, 10.14.1
- Apple Security Update - Catalina — versions unspecified
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT212601 (Vendor Advisory)
- support.apple.com/en-us/HT212602 (Vendor Advisory)
- support.apple.com/en-us/HT212600 (Vendor Advisory)
- support.apple.com/en-us/HT212603 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30796?
- CVE-2021-30796 is a medium-severity vulnerability in Apple iOS. CVSS score: 6.5/10. Published 2021-09-08.
- How severe is CVE-2021-30796?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-30796 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.