CVE-2021-1814
HIGHCVSS 7.8/10EPSS 1.14%
Last modified
CVE-2021-1814 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. EPSS estimates a 1.14% chance of exploitation in the next 30 days.
Description
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. Processing a maliciously crafted image may lead to arbitrary code execution.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | < 11.3 |
| Apple | Watchos | < 7.4 |
References
- https://support.apple.com/en-us/HT212324Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212325Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212324Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212325Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-1814?
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. Processing a maliciously crafted image may lead to arbitrary code execution.
How severe is CVE-2021-1814?
CVE-2021-1814 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.
How do I fix CVE-2021-1814?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-1814?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST