CVE-2021-30681
Reported by apple · Published September 8, 2021
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to gain root privileges.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| iphone_os | apple | 14.6 |
| ipados | apple | 14.6 |
| macos | apple | 2021, 11.4, 7.5 |
| iOS and iPadOS | Apple | 14.6 |
| watchos | apple | 7.5 |
| mac_os_x | apple | 10.15.6, 10.14.5 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | unspecified |
| Apple | macOS | unspecified |
| Apple | macOS | unspecified |
| Apple | macOS | unspecified |
| Apple | macOS | unspecified |
| Apple | iOS and iPadOS | * |
| Apple | macOS | *, *, * |
Timeline
- May 25, 2021 CVE Published
- Sep 9, 2021 EPSS Score (30 in total, the first dated here)
- Jun 1, 2026 Security Advisory
- Aug 3, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-30681
vulnetix vdb fixes CVE-2021-30681
Or 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-2021-30681/fixes/registry"
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