CVE-2021-1406 MEDIUM

CVE-2021-1406: Cisco Unified Communications Manager Information Disclosure Vulnerability

Vendor Cisco
Product Cisco Unified Communications Manager
Weakness CWE-538
Published April 8, 2021
Last update November 8, 2024

CVSS base score

4.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to improper inclusion of sensitive information in downloadable files. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to obtain hashed credentials of system users. To exploit this vulnerability an attacker would need to have valid user credentials with elevated privileges.

Key dates

02Disclosure timeline

April 8, 2021 CVE published
November 8, 2024 Record updated