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CVE-2020-27909
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS…
High7.8EPSS 2.2%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted audio file may lead to arbitrary code execution.
Timeline
ID reserved
By apple
- 42 days later
· 42 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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)
- 2.2% · top 17% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- Processing a maliciously crafted audio file may lead to arbitrary code execution
- CWE-125 (opens in a new tab)All about CWE-125 and its CVEs
Affected products
References (6)
- https://support.apple.com/kb/HT211931 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/en-us/HT211928 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT211929 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT211930 (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
- https://www.zerodayinitiative.com/advisories/ZDI-21-374/ (opens in a new tab)x_refsource_MISCx_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-2020-27909)Record last updated .