CVE-2021-30721
Last modified
CVE-2021-30721 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A path handling issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. EPSS estimates a 23.58% chance of exploitation in the next 30 days.
Description
A path handling issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to leak sensitive user information.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Mac Os X | >= 10.14.0, <= 10.14.5 |
| Apple | Mac Os X | >= 10.15, <= 10.15.6 |
| Apple | Mac Os X | 10.14.6 |
| Apple | Mac Os X | 10.15.7 |
| Apple | Macos | >= 11.0.1, < 11.4 |
References
- https://support.apple.com/en-us/HT212529Vendor Advisory
- https://support.apple.com/en-us/HT212530Vendor Advisory
- https://support.apple.com/en-us/HT212531Vendor Advisory
- https://support.apple.com/en-us/HT212529Vendor Advisory
- https://support.apple.com/en-us/HT212530Vendor Advisory
- https://support.apple.com/en-us/HT212531Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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
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- CVE-2021-30718This issue was addressed with improved checks. This issue is…4.3
- CVE-2021-30719A local user may be able to cause unexpected system terminat…7.1
- CVE-2021-30720A logic issue was addressed with improved restrictions. This…5.4
- CVE-2021-30722An information disclosure issue was addressed with improved …5.9
- CVE-2021-30723An information disclosure issue was addressed with improved …5.5
- CVE-2021-30724This issue was addressed with improved checks. This issue is…7.8
- CVE-2021-30725A memory corruption issue was addressed with improved state …7.8
- CVE-2021-30726A malicious application may be able to execute arbitrary cod…7.8
- CVE-2021-30727A logic issue was addressed with improved state management. …5.5
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