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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-30773An issue in code signature validation was addressed with imp…5.5
- CVE-2021-30774A logic issue was addressed with improved validation. This i…7.8
- CVE-2021-30775A memory corruption issue was addressed with improved state …7.8
- CVE-2021-30776A logic issue was addressed with improved validation. This i…5.5
- CVE-2021-30777An injection issue was addressed with improved validation. T…7.8
- CVE-2021-30778This issue was addressed with improved entitlements. This is…5.5
- CVE-2021-30780An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2021-30781This issue was addressed with improved checks. This issue is…7.8
- CVE-2021-30782This issue was addressed with improved checks. This issue is…5.5
- CVE-2021-30783An access issue was addressed with improved access restricti…6.5
- CVE-2021-30784Multiple issues were addressed with improved logic. This iss…7.8
- CVE-2021-30785A buffer overflow was addressed with improved bounds checkin…7.8
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