Vulnerability in Apple iOS
CVE-2020-9900
An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. 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. A local attacker may be able to elevate their privileges.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
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)
Frequently asked questions
- What is CVE-2020-9900?
- CVE-2020-9900 is a high-severity vulnerability in Apple iOS, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2020-10-22.
- How severe is CVE-2020-9900?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-9900 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.