CVE-2021-30993
HIGH
8.1
CVSS Score
Published: August 24, 2021 at 06:51 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
5 products affected across 1 vendormacOSiPhone OSiPadOS
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Severity
HIGH8.1
Exploit prediction
EPSS 2%
Description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. An attacker in a privileged network position may be able to execute arbitrary code.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 15.2
Affected range stops below 15.2, so it looks safe — our inference, not a vendor statement
v < 15.2
Affected range stops below 15.2, so it looks safe — our inference, not a vendor statement
v < 12.1v < 15.212.0 ≤ v < 12.1
Affected range stops below 12.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.2, so it looks safe — our inference, not a vendor statement
v < 15.2
Affected range stops below 15.2, 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 (4)
CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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