CVE-2020-9893: apple icloud Use After Free
Vulnerability summary
CVE-2020-9893 is a high (CVSS 8.8) Use After Free vulnerability in apple icloud. EPSS estimates a 2.95% chance of exploitation in the next 30 days, higher than 86.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 9 · Related 6Timeline
- 16-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, Safari 13.1.2, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.95%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 2.95% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple11 products
- icloud< 7.20 | ≥ 11.0, < 11.3
- icloud for windows≥ unspecified, < iCloud for Windows 11.3
- icloud for windows (legacy)≥ unspecified, < iCloud for Windows 7.20
- ios≥ unspecified, < iOS 13.6 and iPadOS 13.6
- ipados< 13.6
Ubuntu5 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.28.4-0ubuntu0.18.04.1 | < 2.28.4-0ubuntu0.20.04.1
- webkitgtkAll versions (No fix recorded)
- wpewebkitAll versions (No fix recorded)
Debian2 products
- webkit2gtk< 2.28.4-1
- wpewebkit< 2.28.4-1
3 vendors · 18 products
