Improper input validation in Apple macOS
CVE-2021-30671
A validation issue was addressed with improved logic. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A malicious application may be able to send unauthorized Apple events to Finder.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (44.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Apple macOS — versions unspecified
- Apple Mac OS X — versions 10.15.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT212529 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212530 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30671?
- CVE-2021-30671 is a low-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 3.3/10. Published 2021-09-08.
- How severe is CVE-2021-30671?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2021-30671 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.