CVE-2020-9844
HIGHCVSS 7.5/10EPSS 1.77%
Last modified
CVE-2020-9844 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. EPSS estimates a 1.77% chance of exploitation in the next 30 days.
Description
A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 13.5 |
| Apple | Iphone Os | < 13.5 |
| Apple | Mac Os X | >= 10.13, < 10.13.6 |
| Apple | Mac Os X | >= 10.14, < 10.14.6 |
| Apple | Mac Os X | >= 10.15, < 10.15.5 |
| Apple | Mac Os X | 10.13.6 |
| Apple | Mac Os X | 10.14.6 |
References
- https://support.apple.com/HT211168Vendor Advisory
- https://support.apple.com/HT211170Vendor Advisory
- https://support.apple.com/HT211168Vendor Advisory
- https://support.apple.com/HT211170Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9844?
A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
How severe is CVE-2020-9844?
CVE-2020-9844 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9844?
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-2020-9844?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST