CVE-2021-30779
HIGHCVSS 7.8/10EPSS 1.25%
Last modified
CVE-2021-30779 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 iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. EPSS estimates a 1.25% chance of exploitation in the next 30 days.
Description
This issue was addressed with improved checks. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. 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 | Iphone Os | < 14.7 |
| Apple | Macos | < 11.5 |
| Apple | Tvos | < 14.7 |
| Apple | Watchos | < 7.6 |
References
- https://support.apple.com/en-us/HT212601Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212602Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212604Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212605Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212601Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212602Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212604Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212605Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30779?
This issue was addressed with improved checks. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing a maliciously crafted image may lead to arbitrary code execution.
How severe is CVE-2021-30779?
CVE-2021-30779 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30779?
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-2021-30779?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST