Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-20236

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
16/04/2025
Last modified:
01/08/2025

Description

A vulnerability in the custom URL parser of Cisco Webex App could allow an unauthenticated, remote attacker to persuade a user to download arbitrary files, which could allow the attacker to execute arbitrary commands on the host of the targeted user.<br /> <br /> This vulnerability is due to insufficient input validation when Cisco Webex App processes a meeting invite link. An attacker could exploit this vulnerability by persuading a user to click a crafted meeting invite link and download arbitrary files. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the targeted user.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:webex_teams:44.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_teams:44.6.0.29928:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_teams:44.6.0.30148:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_teams:44.7:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_teams:44.7.0.30141:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_teams:44.7.0.30285:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools