CVE-2020-9818

Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability

Apple iOS, iPadOS, and watchOSOperating systems

CVSS

8.8High

ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV

Exploit odds (EPSS)2.29%Chance of exploitation activity in the next 30 days, higher than 83% of CVEs. Scored 23 Oct 2026FIRST EPSS

Fixed inNone listedNo source names a fixed version yet

Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV

CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

9 Jun 2020, 16:12 UTCPublishedCVE List
3 Nov 2021Added to CISA KEVCISA KEV

Description

Apple iOS, iPadOS, and watchOS Mail contains an out-of-bounds write vulnerability which may allow memory modification or application termination when processing a maliciously crafted mail message.

Text from CVE List

Affected versions 3

iOSaffected: unspecified before iOS 13.5 and iPadOS 13.5CVE List
iOS-1affected: unspecified before iOS 12.4.7CVE List
watchOSaffected: unspecified before watchOS 6.2.5CVE List