Out-of-bounds Read in Apple iOS
CVE-2020-9909
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
References
- support.apple.com/HT211288 (Vendor Advisory)
- support.apple.com/HT211290 (Vendor Advisory)
- support.apple.com/HT211291 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-9909?
- CVE-2020-9909 is a medium-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 5.9/10. Published 2020-10-16.
- How severe is CVE-2020-9909?
- Medium severity. CVSS v3 base score is 5.9 out of 10.