MEDIUM CISA KEV

CVE-2020-9819

CVSS v3

4.3

MEDIUM

EPSS Score

0.2%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
5/3/2022
Ransomware Use
Unknown

Technical details

Published
6/9/2020

Frequently asked questions

What is CVE-2020-9819?

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption.

Is CVE-2020-9819 actively exploited?

Yes. CVE-2020-9819 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/3/2022.

What is the CVSS score for CVE-2020-9819?

CVE-2020-9819 has a CVSS v3 base score of 4.3 (MEDIUM severity).

Is CVE-2020-9819 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.