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CVE-2020-9949
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0…
High7.8EPSS 1.5%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra, tvOS 14.0. An application may be able to execute arbitrary code with kernel privileges.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.5% · top 26% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- An application may be able to execute arbitrary code with kernel privileges
- CWE-416 (opens in a new tab)All about CWE-416 and its CVEs
Affected products
References (6)
- https://support.apple.com/en-us/HT211289 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT211843 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT211850 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT211844 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT211931 (opens in a new tab)x_refsource_MISCx_transferred
- 20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-9949)Record last updated .