CVE-2020-9868
An attacker may have been able to impersonate a trusted website using shared key material for an administrator added certificate.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 1.04% probability · 62th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- apple/ipados · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos
- Source
- product-security@apple.com
References
- https://support.apple.com/kb/HT211288Vendor Advisory
- https://support.apple.com/kb/HT211289Vendor Advisory
- https://support.apple.com/kb/HT211290Vendor Advisory
- https://support.apple.com/kb/HT211291Vendor Advisory
- https://support.apple.com/kb/HT211288Vendor Advisory
- https://support.apple.com/kb/HT211289Vendor Advisory
- https://support.apple.com/kb/HT211290Vendor Advisory
- https://support.apple.com/kb/HT211291Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.