// For flags

CVE-2021-34419

HTML injection in Zoom Linux client

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In the Zoom Client for Meetings for Ubuntu Linux before version 5.1.0, there is an HTML injection flaw when sending a remote control request to a user in the process of in-meeting screen sharing. This could allow meeting participants to be targeted for social engineering attacks.

En Zoom Client for Meetings para Ubuntu Linux versiones anteriores a 5.1.0, se presenta un fallo de inyección de HTML cuando es enviada una petición de control remoto a un usuario en el proceso de compartir la pantalla en una reunión. Esto podría permitir que participantes en la reunión sean objeto de ataques de ingeniería social

*Credits: Danny de Weille and Rick Verdoes of hackdefense
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-09 CVE Reserved
  • 2021-11-11 CVE Published
  • 2024-06-18 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://explore.zoom.us/en/trust/security/security-bulletin 2021-11-16
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 Client For Meetings
Search vendor "Zoom" for product "Zoom Client For Meetings"
 < 5.1.0
Search vendor "Zoom" for product "Zoom Client For Meetings" and version " < 5.1.0"
linux
Affected