CVE-2021-1815
MEDIUM
5.5
CVSS Score
Published: September 8, 2021 at 02:54 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
5 products affected across 1 vendormacOSiPhone OSiPadOS
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%
Description
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A local user may be able to modify protected parts of the file system.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.5
Affected range stops below 14.5, so it looks safe — our inference, not a vendor statement
v < 14.5
Affected range stops below 14.5, so it looks safe — our inference, not a vendor statement
v < 11.311.0 ≤ v < 11.3
Affected range stops below 11.3, so it looks safe — our inference, not a vendor statement
v < 14.5
Affected range stops below 14.5, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-22
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