SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2020-9859

Apple Multiple Products Code Execution Vulnerability

KEVHIGH 7.8EPSS 0.83%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. 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:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.83% probability · 55th percentile
CISA KEV
Listed 3 November 2021 · due 3 May 2022
Weakness
CWE-415
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-2020-9859

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.