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CVE-2020-9868
A certificate validation issue existed when processing administrator added certificates. This issue was addressed with improved…
Critical9.1EPSS 1.0%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.
Weakness
- An attacker may have been able to impersonate a trusted website using shared key material for an administrator added certificate
- CWE-295 (opens in a new tab)All about CWE-295 and its CVEs
Affected products
References (4)
- https://support.apple.com/kb/HT211289 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT211288 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT211290 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT211291 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-9868)Record last updated .