// For flags

CVE-2021-1221

Cisco Webex Meetings and Cisco Webex Meetings Server Software Hyperlink Injection Vulnerability

Severity Score

4.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A vulnerability in the user interface of Cisco Webex Meetings and Cisco Webex Meetings Server Software could allow an authenticated, remote attacker to inject a hyperlink into a meeting invitation email. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by entering a URL into a field in the user interface. A successful exploit could allow the attacker to generate a Webex Meetings invitation email that contains a link to a destination of their choosing. Because this email is sent from a trusted source, the recipient may be more likely to click the link.

Una vulnerabilidad en la interfaz de usuario de Cisco Webex Meetings y el software Cisco Webex Meetings Server, podría permitir a un atacante autenticado remoto inyectar un hipervínculo en un correo electrónico de invitación para una reunión. La vulnerabilidad es debido a una comprobación insuficiente de la entrada. Un atacante podría explotar esta vulnerabilidad al introducir una URL en un campo en la interfaz de usuario. Una explotación con éxito podría permitir al atacante generar un correo electrónico de invitación de Webex Meetings que contenga un enlace a un destino de su elección. Debido a que este correo electrónico se envía desde una fuente confiable, es más probable que el destinatario haga clic en el enlace

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2020-11-13 CVE Reserved
  • 2021-02-04 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-11-08 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
 Webex Meetings
Search vendor "Cisco" for product "Webex Meetings"
 < 41.1.0
Search vendor "Cisco" for product "Webex Meetings" and version " < 41.1.0"
-
Affected
Cisco
Search vendor "Cisco"
 Webex Meetings Server
Search vendor "Cisco" for product "Webex Meetings Server"
 < 3.0
Search vendor "Cisco" for product "Webex Meetings Server" and version " < 3.0"
-
Affected
Cisco
Search vendor "Cisco"
 Webex Meetings Server
Search vendor "Cisco" for product "Webex Meetings Server"
 3.0
Search vendor "Cisco" for product "Webex Meetings Server" and version "3.0"
-
Affected
Cisco
Search vendor "Cisco"
 Webex Meetings Server
Search vendor "Cisco" for product "Webex Meetings Server"
 3.0
Search vendor "Cisco" for product "Webex Meetings Server" and version "3.0"
maintenance_release3_security_patch4
Affected
Cisco
Search vendor "Cisco"
 Webex Meetings Server
Search vendor "Cisco" for product "Webex Meetings Server"
 4.0
Search vendor "Cisco" for product "Webex Meetings Server" and version "4.0"
-
Affected
Cisco
Search vendor "Cisco"
 Webex Meetings Server
Search vendor "Cisco" for product "Webex Meetings Server"
 4.0
Search vendor "Cisco" for product "Webex Meetings Server" and version "4.0"
maintenance_release3_security_patch3
Affected