CVE-2021-30865
HIGH
7.8
CVSS Score
Published: August 24, 2021 at 06:49 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
1 product affected across 1 vendormacOS
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Severity
HIGH7.8
Exploit prediction
EPSS 1%
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 10.15.7v < 11.6v < 202111.0 ≤ v < 11.610.15.710.15.7 security_update_2020-110.15.7 security_update_2021-110.15.7 security_update_2021-210.15.7 security_update_2021-310.15.7 security_update_2021-410.15.7 supplemental_update
Affected range stops below 10.15.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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