CVE-2021-34413

Published on: 09/27/2021 12:00:00 AM UTC

Last Modified on: 10/07/2021 04:35:00 PM UTC

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Certain versions of Zoom Plugin For Microsoft Outlook from Zoom contain the following vulnerability:

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.

  • CVE-2021-34413 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK HIGH LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
CWE - CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition (4.5) cwe.mitre.org
text/html
URL Logo MISC cwe.mitre.org/data/definitions/367.html
Security Bulletin | Zoom explore.zoom.us
text/html
URL Logo CONFIRM explore.zoom.us/en/trust/security/security-bulletin/

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationZoomZoom Plugin For Microsoft OutlookAllAllAllAll
  • cpe:2.3:a:zoom:zoom_plugin_for_microsoft_outlook:*:*:*:*:*:windows:*:*:

Social Mentions

Source Title Posted (UTC)
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