CVE-2020-3878
Last modified
CVE-2020-3878 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. EPSS estimates a 9.22% chance of exploitation in the next 30 days.
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing a maliciously crafted image may lead to arbitrary code execution.
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 | Icloud | < 7.19 |
| Apple | Icloud | >= 11.0, < 11.2 |
| Apple | Itunes | < 12.10.7 |
| 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 |
| Apple | Tvos | < 13.4.5 |
| Apple | Watchos | < 6.2.5 |
References
- https://support.apple.com/HT211168Vendor Advisory
- https://support.apple.com/HT211170Vendor Advisory
- https://support.apple.com/HT211171Vendor Advisory
- https://support.apple.com/HT211175Vendor Advisory
- https://support.apple.com/HT211178Vendor Advisory
- https://support.apple.com/HT211179Vendor Advisory
- https://support.apple.com/HT211181Vendor Advisory
- https://support.apple.com/HT211168Vendor Advisory
- https://support.apple.com/HT211170Vendor Advisory
- https://support.apple.com/HT211171Vendor Advisory
- https://support.apple.com/HT211175Vendor Advisory
- https://support.apple.com/HT211178Vendor Advisory
- https://support.apple.com/HT211179Vendor Advisory
- https://support.apple.com/HT211181Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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.
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