VulnerabilityModified
CVE-2021-30981
A buffer overflow was addressed with improved bounds checking.
HIGH 7.8EPSS 1.75%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. An application may be able to execute arbitrary code with kernel privileges.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.75% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- apple/mac os x · apple/macos
- Source
- product-security@apple.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.