CVE-2020-9808
A memory corruption issue was addressed with improved state management.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. An application may be able to cause unexpected system termination or write kernel memory.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
- EPSS
- 0.80% probability · 56th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- apple/ipados · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos
- Source
- product-security@apple.com
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.apple.com/HT211168Release Notes, Vendor Advisory
- https://support.apple.com/HT211170Release Notes, Vendor Advisory
- https://support.apple.com/HT211171Release Notes, Vendor Advisory
- https://support.apple.com/HT211175Release Notes, Vendor Advisory
- https://support.apple.com/HT211168Release Notes, Vendor Advisory
- https://support.apple.com/HT211170Release Notes, Vendor Advisory
- https://support.apple.com/HT211171Release Notes, Vendor Advisory
- https://support.apple.com/HT211175Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.