SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1795

An out-of-bounds write was addressed with improved input validation.

CRITICAL 9.8EPSS 2.09%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.09% probability · 81th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
apple/ipad os · apple/iphone os
Source
product-security@apple.com

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