CVE-2020-11443
"Zoom Windows Installer Directory Traversal Vulnerability"
Description
The Zoom IT installer for Windows (ZoomInstallerFull.msi) prior to version 4.6.10 deletes files located in %APPDATA%\Zoom before installing an updated version of the client. Standard users are able to write to this directory, and can write links to other directories on the machine. As the installer runs with SYSTEM privileges and follows these links, a user can cause the installer to delete files that otherwise cannot be deleted by the user.
INFO
Published Date :
May 4, 2020, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 4:57 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
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-2020-11443.
| URL | Resource |
|---|---|
| https://support.zoom.us/hc/en-us/articles/201361953-New-Updates-for-Windows | Broken Link Vendor Advisory |
| https://support.zoom.us/hc/en-us/articles/360043036451 | Broken Link Vendor Advisory |
| https://support.zoom.us/hc/en-us/articles/360043036451-Security-CVE-2020-11443 | Broken Link Vendor Advisory |
| https://support.zoom.us/hc/en-us/articles/201361953-New-Updates-for-Windows | Broken Link Vendor Advisory |
| https://support.zoom.us/hc/en-us/articles/360043036451 | Broken Link Vendor Advisory |
| https://support.zoom.us/hc/en-us/articles/360043036451-Security-CVE-2020-11443 | Broken Link 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-2020-11443 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-2020-11443
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-11443 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-11443 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.zoom.us/hc/en-us/articles/201361953-New-Updates-for-Windows Added Reference https://support.zoom.us/hc/en-us/articles/360043036451 Added Reference https://support.zoom.us/hc/en-us/articles/360043036451-Security-CVE-2020-11443 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-732 CWE-59 CWE-732 -
Initial Analysis by [email protected]
May. 14, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H Changed Reference Type https://support.zoom.us/hc/en-us/articles/201361953-New-Updates-for-Windows No Types Assigned https://support.zoom.us/hc/en-us/articles/201361953-New-Updates-for-Windows Broken Link, Vendor Advisory Changed Reference Type https://support.zoom.us/hc/en-us/articles/360043036451 No Types Assigned https://support.zoom.us/hc/en-us/articles/360043036451 Broken Link, Vendor Advisory Changed Reference Type https://support.zoom.us/hc/en-us/articles/360043036451-Security-CVE-2020-11443 No Types Assigned https://support.zoom.us/hc/en-us/articles/360043036451-Security-CVE-2020-11443 Broken Link, Vendor Advisory Added CWE NIST CWE-732 Added CPE Configuration OR *cpe:2.3:a:zoom:it_installer:*:*:*:*:*:windows:*:* versions up to (excluding) 4.6.10 -
CVE Modified by [email protected]
May. 05, 2020
Action Type Old Value New Value Changed Description The MSI installer in Zoom before 4.6.10 on Windows follows Symbolic Links. The Zoom IT installer for Windows (ZoomInstallerFull.msi) prior to version 4.6.10 deletes files located in %APPDATA%\Zoom before installing an updated version of the client. Standard users are able to write to this directory, and can write links to other directories on the machine. As the installer runs with SYSTEM privileges and follows these links, a user can cause the installer to delete files that otherwise cannot be deleted by the user. Added Reference https://support.zoom.us/hc/en-us/articles/360043036451 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 8.1
Base CVSS Score: 8.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.44 }} -0.17%
score
0.60442
percentile