CVE-2021-30969
HIGHCVSS 7.8/10EPSS 1.10%
Last modified
CVE-2021-30969 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A path handling issue was addressed with improved validation. This issue is fixed in Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. EPSS estimates a 1.10% chance of exploitation in the next 30 days.
Description
A path handling issue was addressed with improved validation. This issue is fixed in Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. Processing a maliciously crafted URL may cause unexpected JavaScript execution from a file on disk.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Apple | Mac Os X | >= 10.15, <= 10.15.7 | — |
| Apple | Mac Os X | 10.15.7 | Security Update 2020-001 |
| Apple | Macos | >= 11.0, < 11.6.2 | — |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30969?
A path handling issue was addressed with improved validation. This issue is fixed in Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. Processing a maliciously crafted URL may cause unexpected JavaScript execution from a file on disk.
How severe is CVE-2021-30969?
CVE-2021-30969 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30969?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2021-30969?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST