SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-9920

A malicious mail server may overwrite arbitrary mail files.

CRITICAL 9.1EPSS 1.86%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.

CVSS 3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
1.86% probability · 78th percentile
CISA KEV
Not listed
Weakness
CWE-22
Affected
apple/ipados · apple/iphone os · apple/mac os x · apple/watchos
Source
product-security@apple.com

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