CVE-2024-20497 MEDIUM

CVE-2024-20497: Cisco Expressway Edge Improper Authorization Vulnerability

Vendor Cisco
Product Cisco TelePresence Video Communication Server (VCS) Expressway
Weakness CWE-285
Published September 4, 2024
Last update September 4, 2024

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in Cisco Expressway Edge (Expressway-E) could allow an authenticated, remote attacker to masquerade as another user on an affected system. This vulnerability is due to inadequate authorization checks for Mobile and Remote Access (MRA) users. An attacker could exploit this vulnerability by running a series of crafted commands. A successful exploit could allow the attacker to intercept calls that are destined for a particular phone number or to make phone calls and have that phone number appear on the caller ID. To successfully exploit this vulnerability, the attacker must be an MRA user on an affected system.

Key dates

02Disclosure timeline

September 4, 2024 CVE published
September 4, 2024 Record updated