CVE-2020-9909
MEDIUMCVSS 5.9/10EPSS 1.72%
Last modified
CVE-2020-9909 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8. EPSS estimates a 1.72% chance of exploitation in the next 30 days.
Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 13.6 |
| Apple | Iphone Os | < 13.6 |
| Apple | Tvos | < 13.4.8 |
| Apple | Watchos | < 6.2.8 |
References
- https://support.apple.com/HT211288Vendor Advisory
- https://support.apple.com/HT211290Vendor Advisory
- https://support.apple.com/HT211291Vendor Advisory
- https://support.apple.com/HT211288Vendor Advisory
- https://support.apple.com/HT211290Vendor Advisory
- https://support.apple.com/HT211291Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9909?
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.
How severe is CVE-2020-9909?
CVE-2020-9909 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.72% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9909?
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.
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Are you affected by CVE-2020-9909?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST