CVE-2020-9856 json
This issue was addressed with improved checks.
published 6y ago modified 4mo ago also EUVD-2020-30635
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 1
- Metasploit
Summary
This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. An application may be able to gain elevated privileges.
Patch / fix
- Apple macOS macOS Catalina 10.15.5
Is CVE-2020-9856 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerTimeline
- First public exploit (Metasploit exploit/osx/browser/safari_in_operator_side_effect)
- Published
Exploit prediction
1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit exploit/osx/browser/safari_in_operator_side_effect Safari in Operator Side Effect Exploit metasploit exploit, manual rank, 2020-03-18
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Apple macOS
References
-
support.apple.com
/HT211170
vendor-advisory
Sources
- CVE List CVE-2020-9856
- NVD CVE-2020-9856
Fencer Intel 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.