CVE-2020-9958
HIGHCVSS 7.8/10EPSS 1.12%
Last modified
CVE-2020-9958 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.0 and iPadOS 14.0. EPSS estimates a 1.12% chance of exploitation in the next 30 days.
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.0 and iPadOS 14.0. An application may be able to cause unexpected system termination or write kernel memory.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.0 |
| Apple | Iphone Os | < 14.0 |
References
- http://seclists.org/fulldisclosure/2020/Nov/20Mailing List, Third Party Advisory
- https://support.apple.com/HT211850Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2020/Nov/20Mailing List, Third Party Advisory
- https://support.apple.com/HT211850Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9958?
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.0 and iPadOS 14.0. An application may be able to cause unexpected system termination or write kernel memory.
How severe is CVE-2020-9958?
CVE-2020-9958 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9958?
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 2020
- CVE-2020-9950A use after free issue was addressed with improved memory ma…8.8
- CVE-2020-9951A use after free issue was addressed with improved memory ma…8.8
- CVE-2020-9952An input validation issue was addressed with improved input …7.1
- CVE-2020-9954A buffer overflow issue was addressed with improved memory h…7.8
- CVE-2020-9955An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2020-9956An out-of-bounds read was addressed with improved input vali…7.8
- CVE-2020-9959A lock screen issue allowed access to messages on a locked d…2.4
- CVE-2020-9960An out-of-bounds read was addressed with improved input vali…7.8
- CVE-2020-9961An out-of-bounds read was addressed with improved input vali…7.8
- CVE-2020-9962A buffer overflow was addressed with improved size validatio…7.8
- CVE-2020-9963The issue was addressed with improved handling of icon cache…5.5
- CVE-2020-9964A memory initialization issue was addressed with improved me…5.5
Are you affected by CVE-2020-9958?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST