5.5

CVE-2021-30855

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. An application may be able to access restricted files.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apple ≫ iPadOS Version < 14.8
Apple ≫ iPhone OS Version < 14.8
Apple ≫ macOS X Version < 10.15.7
Apple ≫ macOS X Version10.15.7 Update-
Apple ≫ macOS X Version10.15.7 Updatesecurity_update_2020-001
Apple ≫ macOS X Version10.15.7 Updatesecurity_update_2021-001
Apple ≫ macOS X Version10.15.7 Updatesecurity_update_2021-002
Apple ≫ macOS X Version10.15.7 Updatesecurity_update_2021-003
Apple ≫ macOS X Version10.15.7 Updatesecurity_update_2021-004
Apple ≫ macOS X Version10.15.7 Updatesupplemental_update
Apple ≫ macOS Version < 11.6
Apple ≫ tvOS Version < 15.0
Apple ≫ watchOS Version < 8.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.21% 0.41
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:P/I:N/A:N
CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.