Vulnerability in Apple macOS
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.243 (97.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.243 · newest: 0.243 · change: 0.000
Affected products
- Apple macOS — versions unspecified
- Apple Mac OS X — versions 10.14.6, 10.15.7
Public proof-of-concept exploits
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)
Frequently asked questions
- What is CVE-2021-30721?
- CVE-2021-30721 is a medium-severity vulnerability in Apple macOS. CVSS score: 6.5/10. Published 2021-09-08.
- How severe is CVE-2021-30721?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-30721 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.