VulnerabilityAnalyzed
CVE-2020-3837
Apple Multiple Products Memory Corruption Vulnerability
KEVHIGH 7.8EPSS 16.1%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 July 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to execute arbitrary code with kernel privileges.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 16.11% probability · 97th percentile
- CISA KEV
- Listed 27 June 2022 · due 18 July 2022
- Weakness
- CWE-787
- Affected
- apple/ipados · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos
- Source
- product-security@apple.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-3837
References
- https://support.apple.com/HT210918Release Notes, Vendor Advisory
- https://support.apple.com/HT210919Release Notes, Vendor Advisory
- https://support.apple.com/HT210920Release Notes, Vendor Advisory
- https://support.apple.com/HT210921Release Notes, Vendor Advisory
- https://support.apple.com/HT210918Release Notes, Vendor Advisory
- https://support.apple.com/HT210919Release Notes, Vendor Advisory
- https://support.apple.com/HT210920Release Notes, Vendor Advisory
- https://support.apple.com/HT210921Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3837US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.