Out-of-bounds read in Apple watchOS
Priority LOW 36CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An out-of-bounds read was addressed with improved input validation. 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, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing a maliciously crafted audio file may lead to arbitrary code execution.
Why it matters now
EPSS 0.01079 65th percentileScored 2026-11-07
Fix Fixed watchOS (Apple): 7.1iOS and iPadOS (Apple): 14.2+2 more products
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | watchOS | before 7.1 | 7.1 | Patch available | CNA |
| Apple | iOS and iPadOS | before 14.2 | 14.2 | Patch available | CNA |
| Apple | tvOS | before 14.2 | 14.2 | Patch available | CNA |
| Apple | macOS | before 11.0 | 11.0 | Patch available | CNA |
| Apple | macOS | before 11.1 | 11.1 | Patch available | CNA |
- watchOS VendorApple Affected before 7.1 Fixed in 7.1 Patch available CNA
- iOS and iPadOS VendorApple Affected before 14.2 Fixed in 14.2 Patch available CNA
- tvOS VendorApple Affected before 14.2 Fixed in 14.2 Patch available CNA
- macOS VendorApple Affected before 11.0 Fixed in 11.0 Patch available CNA
- macOS VendorApple Affected before 11.1 Fixed in 11.1 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 14.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 14.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 11.0.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 14.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 7.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 11.1.0 | Vulnerable | Apple |
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.2 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.2 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 11.0.1 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 14.2 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 7.1 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 11.1.0 Vulnerable ·Apple
Remediation
- Fix · CNA watchOS (Apple) Fixed in 7.1
- Fix · CNA iOS and iPadOS (Apple) Fixed in 14.2
- Fix · CNA tvOS (Apple) Fixed in 14.2
- Fix · CNA macOS (Apple) Fixed in 11.0
- Fix · CNA macOS (Apple) Fixed in 11.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 11.1
48 records Highest priority Priority MEDIUM 2 MEDIUM, 46 LOW
Other records, highest priority first
- TI-2020-16976 Use after free in Apple watchOSPriority MEDIUM 41
- TI-2020-17807 Apple macOS: An attacker in a privileged network position may be able to bypass…Priority MEDIUM 40
- TI-2020-08038 Out-of-bounds write in Apple tvOSPriority LOW 39
- Release ·
Apple macOS 11.0
31 records Highest priority Priority MEDIUM 1 MEDIUM, 30 LOW
Other records, highest priority first
- TI-2020-16976 Use after free in Apple watchOSPriority MEDIUM 41
- TI-2020-08038 Out-of-bounds write in Apple tvOSPriority LOW 39
- TI-2020-08033 Buffer overflow in Apple tvOSPriority LOW 37
Show 1 more group
- Release ·
Apple iOS and iPadOS, tvOS, watchOS 14.2, 7.1
7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2020-16976 Use after free in Apple watchOSPriority MEDIUM 41
- TI-2020-16980 Out-of-bounds read in Apple watchOSPriority LOW 36
- TI-2020-16979 Out-of-bounds write in Apple watchOSPriority LOW 36
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27908
- 2026-10-03 Alias added: GHSA-4m83-j6wp-jrp5
References
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-27908 · CVE Program
- CVE-2020-27908 · NVD
- FIRST EPSS
- GHSA-4m83-j6wp-jrp5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences