VulnerabilityModified
CVE-2021-30688
A malicious application may be able to break out of its sandbox.
HIGH 8.8EPSS 0.29%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A malicious application may be able to break out of its sandbox. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A path handling issue was addressed with improved validation.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.29% probability · 21th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- apple/mac os x · apple/macos
- Source
- product-security@apple.com
EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- 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/HT212529Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212530Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.