SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2016-4655

Apple iOS Information Disclosure Vulnerability

KEVMEDIUM 5.5EPSS 33.4%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 14 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
33.35% probability · 98th percentile
CISA KEV
Listed 24 May 2022 · due 14 June 2022
Affected
apple/iphone os
Source
product-security@apple.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-4655

References

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