CVE-2019-8521
This issue was addressed with improved checks. This issue is fixed in iOS 12.2, macOS Mojave 10...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-8521- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-8521- Updated
- 2026-11-02
EUVDEUVD-2019-17911 No score
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.
- Record
EUVD-2019-17911- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x5pq-q8xx-mmmf No score
This issue was addressed with improved checks. This issue is fixed in iOS 12.2, macOS Mojave 10...
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.
- Record
GHSA-x5pq-q8xx-mmmf- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-8521 is a medium vulnerability (CVSS 5.5) in Apple Ios, published December 18, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. No source names a fixed version.