Vulnerability · Published Dec 8, 2020 · Assigned by apple
CVE-2020-27896
Medium 5.5
In plain English
A medium-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 1.5% (higher than 73% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.5%top 26.5% 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 macOS Big Sur 11.0.1. A remote attacker may be able to modify the file system.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT211931 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