9.8
CRITICAL CVSS 3.1
CVE-2020-9895
iOS Safari Use After Free Arbitrary Code Execution Vulnerability
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.

INFO

Published Date :

Oct. 16, 2020, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 5:41 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2020-9895 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple itunes
2 Apple iphone_os
3 Apple tvos
4 Apple watchos
5 Apple safari
6 Apple icloud
7 Apple ipados
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
Solution
This addresses a use-after-free vulnerability by updating affected software components.
  • Update affected software packages to the latest versions.
  • Upgrade Apple iOS to version 13.6 or later.
  • Update webkit2gtk3 packages as available.
Public PoC/Exploit Available at Github

CVE-2020-9895 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-9895.

URL Resource
https://support.apple.com/HT211288 Vendor Advisory
https://support.apple.com/HT211290 Vendor Advisory
https://support.apple.com/HT211291 Vendor Advisory
https://support.apple.com/HT211292 Vendor Advisory
https://support.apple.com/HT211293 Vendor Advisory
https://support.apple.com/HT211294 Vendor Advisory
https://support.apple.com/HT211295 Vendor Advisory
https://support.apple.com/HT211288 Vendor Advisory
https://support.apple.com/HT211290 Vendor Advisory
https://support.apple.com/HT211291 Vendor Advisory
https://support.apple.com/HT211292 Vendor Advisory
https://support.apple.com/HT211293 Vendor Advisory
https://support.apple.com/HT211294 Vendor Advisory
https://support.apple.com/HT211295 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-9895 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-9895 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

A DOM fuzzer

Python

Updated: 1 month, 1 week ago
150 stars 26 fork 26 watcher
Born at : Sept. 11, 2020, 9:46 p.m. This repo has been linked 10 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-9895 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-9895 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://support.apple.com/HT211288
    Added Reference https://support.apple.com/HT211290
    Added Reference https://support.apple.com/HT211291
    Added Reference https://support.apple.com/HT211292
    Added Reference https://support.apple.com/HT211293
    Added Reference https://support.apple.com/HT211294
    Added Reference https://support.apple.com/HT211295
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Oct. 20, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.apple.com/HT211288 No Types Assigned https://support.apple.com/HT211288 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT211290 No Types Assigned https://support.apple.com/HT211290 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT211291 No Types Assigned https://support.apple.com/HT211291 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT211292 No Types Assigned https://support.apple.com/HT211292 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT211293 No Types Assigned https://support.apple.com/HT211293 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT211294 No Types Assigned https://support.apple.com/HT211294 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT211295 No Types Assigned https://support.apple.com/HT211295 Vendor Advisory
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions up to (excluding) 7.20 *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions from (including) 11.0 up to (excluding) 11.3 *cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* versions up to (excluding) 12.10.8 *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 13.1.2 *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 13.6 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 13.6 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 13.4.8 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 6.2.8
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.17 }} 1.62%

score

0.83619

percentile