VDB
CVE-2021-1784
CVE-2021-1784
PUBLISHED
Reported by apple · Published September 8, 2021
A permissions issue existed in DiskArbitration. This was addressed with additional ownership checks. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A malicious application may be able to modify protected parts of the file system.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| macos | apple | 2021, 11.3 |
| mac_os_x | apple | 10.15.5, 10.14.5 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Apple | macOS | unspecified |
| Apple | macOS | unspecified |
| Apple | macOS | unspecified |
| Apple | macOS | *, * |
Timeline
- Apr 27, 2021 CVE Published
- Sep 8, 2021 PoC Published (5 in total, the first dated here)
- Sep 9, 2021 EPSS Score (30 in total, the first dated here)
- Aug 3, 2024 CVE Updated
- Jun 1, 2026 Security Advisory
- Aug 27, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-1784
vulnetix vdb fixes CVE-2021-1784Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-1784/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart