Vulnerability · Published Dec 8, 2020 · Assigned by apple
CVE-2020-27904
High 7.8
In plain English
A high-severity security flaw in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.1% (higher than 88% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)3.1%top 12.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT211931 x_refsource_MISC
- 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
- https://support.apple.com/kb/HT212147 x_refsource_CONFIRM
- 20210201 APPLE-SA-2021-02-01-1 macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave mailing-list, x_refsource_FULLDISC