Vulnerability in Apple iOS
CVE-2019-8531
A validation issue existed in Trust Anchor Management. This issue was addressed with improved validation. This issue is fixed in watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. An untrusted radius server certificate may be trusted.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X
- Apple watchOS
Weakness classification (CWE)
References
- support.apple.com/en-us/HT209600 (Vendor Advisory)
- support.apple.com/en-us/HT209599 (Vendor Advisory)
- support.apple.com/en-us/HT209602 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8531?
- CVE-2019-8531 is a critical-severity vulnerability in Apple iOS, classified under Improper Certificate Validation. CVSS score: 9.8/10. Published 2020-10-27.
- How severe is CVE-2019-8531?
- Critical severity. CVSS v3 base score is 9.8 out of 10.