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.
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