VulnerabilityModified
CVE-2020-3877
An out-of-bounds read was addressed with improved input validation.
HIGH 7.5EPSS 2.05%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3, watchOS 6.1.2. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.05% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- apple/mac os x · apple/watchos
- Source
- product-security@apple.com
References
- https://support.apple.com/HT210919Release Notes, Vendor Advisory
- https://support.apple.com/HT210921Release Notes, Vendor Advisory
- https://support.apple.com/HT210919Release Notes, Vendor Advisory
- https://support.apple.com/HT210921Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.