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
7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
1.10%

61.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
AppleMac Os X>= 10.15, <= 10.15.7
AppleMac Os X10.15.7Security Update 2020-001
AppleMacos>= 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.

Are you affected by CVE-2021-30969?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST