CVE-2020-9818
CVSS v3
8.8
HIGH
EPSS Score
0.3 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.
CISA Known Exploited Vulnerability
- Date Added
- 2021-11-03
- Patch Due Date
- 2022-05-03
- Ransomware Use
- Unknown
Technical details
- Published
- 2020-06-09
Frequently asked questions
What is CVE-2020-9818?
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.
Is CVE-2020-9818 actively exploited?
Yes. CVE-2020-9818 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 2022-05-03.
What is the CVSS score for CVE-2020-9818?
CVE-2020-9818 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-9818 affecting your environment?
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