CVE-2020-9920
CRITICALCVSS 9.1/10EPSS 1.84%
Last modified
CVE-2020-9920 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. EPSS estimates a 1.84% chance of exploitation in the next 30 days.
Description
A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 13.6 |
| Apple | Iphone Os | < 13.6 |
| Apple | Mac Os X | < 10.15.6 |
| Apple | Watchos | < 6.2.8 |
References
- https://support.apple.com/kb/HT211288Vendor Advisory
- https://support.apple.com/kb/HT211289Vendor Advisory
- https://support.apple.com/kb/HT211291Vendor Advisory
- https://support.apple.com/kb/HT211288Vendor Advisory
- https://support.apple.com/kb/HT211289Vendor Advisory
- https://support.apple.com/kb/HT211291Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9920?
A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.
How severe is CVE-2020-9920?
CVE-2020-9920 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9920?
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-2020-9920?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST