Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV L L L N U H N N 5.5 .0321 87.8 YES
AFFECTED Product Versions Fixed iOS unspecified – — macOS unspecified – —
TIMELINE Mar 2 Reserved by apple Oct 16 Published (CNA: apple) Sep 8 Added to CISA KEV, remediation due 2022-09-29
An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.
| Date | Event | Detail |
|---|---|---|
| March 2, 2020 | Reserved | Reserved by apple |
| October 16, 2020 | Published | Published (CNA: apple) |
| September 8, 2022 | KEV ADDED | Added to CISA KEV, remediation due 2022-09-29 |
Authoritative record: CVE-2020-9934 at cve.org
Vendors: apple
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-9934 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, October 7, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
