What is CVE-2020-9818?

CVE-2020-9818 is a vulnerability in Apple Ios. Published 2020-06-09.

Is CVE-2020-9818 known to be exploited?

Yes. CVE-2020-9818 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Vulnerability in Apple Ios

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…

EPSS: 0.009 (75.6th percentile) — read the EPSS interpretation.

Affected products

Apple Ios — versions unspecified
Apple Ios-1 — versions unspecified
Apple Watchos — versions unspecified

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-03.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

support.apple.com/HT211168 (x_refsource_MISC)
support.apple.com/HT211175 (x_refsource_MISC)
support.apple.com/HT211169 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-9818?: CVE-2020-9818 is a vulnerability in Apple Ios. Published 2020-06-09.
Is CVE-2020-9818 known to be exploited?: Yes. CVE-2020-9818 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.