Vulnerability · Published Oct 22, 2020 · Assigned by apple

CVE-2020-9920

Critical 9.1

In plain English

A critical-severity security flaw in iOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities).

Severity (CVSS NVD)9.1Critical

Exploit odds (30 days)1.9%top 20.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS	unspecified – before iOS 13.6 and iPadOS 13.6
Apple	macOS	unspecified – before macOS Catalina 10.15.6
Apple	watchOS	unspecified – before watchOS 6.2.8

References

https://support.apple.com/kb/HT211289 x_refsource_MISC
https://support.apple.com/kb/HT211288 x_refsource_MISC
https://support.apple.com/kb/HT211291 x_refsource_MISC