CVE-2021-1815
Last modified
CVE-2021-1815 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.5 |
| Apple | Iphone Os | < 14.5 |
| Apple | Macos | >= 11.0, < 11.3 |
| Apple | Tvos | < 14.5 |
| Apple | Watchos | < 7.4 |
References
- https://support.apple.com/en-us/HT212317Vendor Advisory
- https://support.apple.com/en-us/HT212323Vendor Advisory
- https://support.apple.com/en-us/HT212324Vendor Advisory
- https://support.apple.com/en-us/HT212325Vendor Advisory
- https://support.apple.com/en-us/HT212317Vendor Advisory
- https://support.apple.com/en-us/HT212323Vendor Advisory
- https://support.apple.com/en-us/HT212324Vendor Advisory
- https://support.apple.com/en-us/HT212325Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-1815?
How severe is CVE-2021-1815?
How do I fix CVE-2021-1815?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-1809A memory corruption issue was addressed with improved valida…7.5
- CVE-2021-1810A logic issue was addressed with improved state management. …5.5
- CVE-2021-1811A logic issue was addressed with improved state management. …6.5
- CVE-2021-1812A logic issue was addressed with improved validation. This i…7.8
- CVE-2021-1813A validation issue was addressed with improved logic. This i…7.8
- CVE-2021-1814This issue was addressed with improved checks. This issue is…7.8
- CVE-2021-1816A buffer overflow was addressed with improved bounds checkin…7.8
- CVE-2021-1817A memory corruption issue was addressed with improved state …8.8
- CVE-2021-1818A logic issue was addressed with improved state management. …9.8
- CVE-2021-1820A memory initialization issue was addressed with improved me…6.5
- CVE-2021-1821A logic issue was addressed with improved state management. …6.5
- CVE-2021-1822A logic issue was addressed with improved restrictions. This…5.5
Are you affected by CVE-2021-1815?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST