Vulnerability · Published Dec 8, 2020 · Assigned by apple
CVE-2020-27911
High 7.8
In plain English
A high-severity security flaw in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)3.4%top 11.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An integer overflow was addressed through improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT211931 x_refsource_MISC
- https://support.apple.com/en-us/HT211935 x_refsource_MISC
- https://support.apple.com/en-us/HT211928 x_refsource_MISC
- https://support.apple.com/en-us/HT211929 x_refsource_MISC
- https://support.apple.com/en-us/HT211930 x_refsource_MISC
- https://support.apple.com/en-us/HT211933 x_refsource_MISC
- https://support.apple.com/kb/HT212011 x_refsource_CONFIRM
- 20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1 mailing-list, x_refsource_FULLDISC
- 20201215 APPLE-SA-2020-12-14-3 macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave mailing-list, x_refsource_FULLDISC