// For flags

CVE-2021-34413

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

All versions of the Zoom Plugin for Microsoft Outlook for MacOS before 5.3.52553.0918 contain a Time-of-check Time-of-use (TOC/TOU) vulnerability during the plugin installation process. This could allow a standard user to write their own malicious application to the plugin directory, allowing the malicious application to execute in a privileged context.

Todas las versiones de Zoom Plugin for Microsoft Outlook para MacOS anteriores a 5.3.52553.0918, contienen una vulnerabilidad de tipo Time-of-check Time-of-use (TOC/TOU) durante el proceso de instalación del plugin. Esto podría permitir a un usuario estándar escribir su propia aplicación maliciosa en el directorio del plugin, permitiendo que la aplicación maliciosa se ejecute en un contexto privilegiado

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-09 CVE Reserved
  • 2021-09-27 CVE Published
  • 2023-04-20 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://explore.zoom.us/en/trust/security/security-bulletin 2021-10-07
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zoom
Search vendor "Zoom"
 Zoom Plugin For Microsoft Outlook
Search vendor "Zoom" for product "Zoom Plugin For Microsoft Outlook"
 < 5.3.52553.0918
Search vendor "Zoom" for product "Zoom Plugin For Microsoft Outlook" and version " < 5.3.52553.0918"
windows
Affected