CVE-2021-30721

MEDIUM 6.5CVE-2021-30721 · Published 08/09/2021 · updated 17/06/2026

In short

CVE-2021-30721 is a MEDIUM (CVSS 6.5) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 24.3%, higher than 97.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

support.apple.com/en-us/HT212529 · Vendor Advisory
support.apple.com/en-us/HT212530 · Vendor Advisory
support.apple.com/en-us/HT212531 · Vendor Advisory

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