CVE-2020-27897
Last modified
CVE-2020-27897 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 macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. EPSS estimates a 0.58% 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 macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Mac Os X | >= 10.14, < 10.14.6 |
| Apple | Mac Os X | >= 10.15, < 10.15.7 |
| Apple | Mac Os X | 10.14.6 |
| Apple | Mac Os X | 10.15.7 |
| Apple | Macos | >= 11.0, < 11.1 |
References
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/en-us/HT212011Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-486/Third Party Advisory, VDB Entry
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/en-us/HT212011Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-486/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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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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