CVE-2020-27909
HIGHCVSS 7.8/10EPSS 2.15%
Last modified
CVE-2020-27909 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 2.15% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.2 |
| Apple | Iphone Os | < 14.2 |
| Apple | Macos | < 11.0.1 |
| Apple | Tvos | < 14.2 |
| Apple | Watchos | < 7.1 |
References
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211928Vendor Advisory
- https://support.apple.com/en-us/HT211929Vendor Advisory
- https://support.apple.com/en-us/HT211930Vendor Advisory
- https://support.apple.com/kb/HT211931Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-374/Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211928Vendor Advisory
- https://support.apple.com/en-us/HT211929Vendor Advisory
- https://support.apple.com/en-us/HT211930Vendor Advisory
- https://support.apple.com/kb/HT211931Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-374/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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 7.1. Processing a maliciously crafted audio file may lead to arbitrary code execution.
How severe is CVE-2020-27909?
CVE-2020-27909 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.15% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27909?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-27909?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST