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CVE-2021-30721

MEDIUMCVSS 6.5/10EPSS 23.58%

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
6.5/10

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

EPSS Probability
23.58%

97.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AppleMac Os X>= 10.14.0, <= 10.14.5
AppleMac Os X>= 10.15, <= 10.15.6
AppleMac Os X10.14.6
AppleMac Os X10.15.7
AppleMacos>= 11.0.1, < 11.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-30721?
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.
How severe is CVE-2021-30721?
CVE-2021-30721 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 23.58% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30721?
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-2021-30721?

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

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Source: NVD / NIST