peter bassill · operator
$ cve CVE-2021-30678 JSON

CVE-2021-30678

9.8
CRITICAL · CVSS 3.1 · EPSS 3.3% (pctl 88)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS3.31% — more likely to be exploited than 88% of all CVEs
On CISA KEVno
Public exploitnone known
Published2021-09-08
Last modified2026-06-17

Affected (2)

VendorProduct
applemac os x
applemacos

References

→ the Explorer  ·  watch your stack  ·  NVD