VulnerabilityModified
CVE-2021-30681
A malicious application may be able to gain root privileges.
HIGH 7.8EPSS 1.03%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to gain root privileges.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.03% probability · 62th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- apple/ipados · apple/iphone os · apple/mac os x · apple/macos · apple/watchos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/HT212528Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212529Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212530Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212531Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212533Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212528Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212529Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212530Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212531Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212533Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.