Vulnerability in Apple iOS
CVE-2019-8521
This issue was addressed with improved checks. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4. A malicious application may be able to overwrite arbitrary files.
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:H/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X
Public proof-of-concept exploits
References
- support.apple.com/HT209599 (Vendor Advisory)
- support.apple.com/HT209600 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8521?
- CVE-2019-8521 is a medium-severity vulnerability in Apple iOS. CVSS score: 5.5/10. Published 2019-12-18.
- How severe is CVE-2019-8521?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-8521 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.