CVE-2020-9978 json
This issue was addressed with improved setting propagation.
published 2021-04-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30757
- cvss
- 4.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
This issue was addressed with improved setting propagation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. An attacker in a privileged network position may be able to unexpectedly alter application state.
Patch / fix
- Apple tvOS 14.0
- Apple watchOS 7.0
- Apple iOS and iPadOS 14.0
- Apple macOS 11.0, 11.1
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.5 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 2.7 | AV:A/AC:L/Au:S/C:N/I:P/A:N |
Affected products
- Apple tvOS
- Apple watchOS
- Apple iOS and iPadOS
- Apple macOS
References
-
support.apple.com
/en-us/HT211843
vendor-advisory
-
support.apple.com
/en-us/HT211850
vendor-advisory
-
support.apple.com
/en-us/HT211844
vendor-advisory
-
support.apple.com
/en-us/HT211931
vendor-advisory
-
support.apple.com
/en-us/HT212011
vendor-advisory
Sources
- CVE List CVE-2020-9978
- NVD CVE-2020-9978
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.