CVE-2020-9868 json
A certificate validation issue existed when processing administrator added certificates.
published 2020-10-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30647
- cvss
- 9.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
A certificate validation issue existed when processing administrator added certificates. This issue was addressed with improved certificate validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. An attacker may have been able to impersonate a trusted website using shared key material for an administrator added certificate.
Patch / fix
- Apple iOS iOS 13.6 and iPadOS 13.6
- Apple macOS macOS Catalina 10.15.6
- Apple tvOS tvOS 13.4.8
- Apple watchOS watchOS 6.2.8
Exploit prediction
1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:P/A:N |
Affected products
- Apple iOS
- Apple macOS
- Apple tvOS
- Apple watchOS
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
support.apple.com
/kb/HT211289
vendor-advisory
-
support.apple.com
/kb/HT211288
vendor-advisory
-
support.apple.com
/kb/HT211290
vendor-advisory
-
support.apple.com
/kb/HT211291
vendor-advisory
Sources
- CVE List CVE-2020-9868
- NVD CVE-2020-9868
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.