CVE-2020-3843

Iphone Os vulnerability

CVSS

8.8

EPSS

3.6%

EPSS pct

88th

Exploited

No known

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Affected vendor

Apple

Affected product

Iphone Os

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-787 — Out-of-bounds Write

Published

2020-02-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2020-3843

Confirm whether Apple Iphone Os is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-3843.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-3843

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