CVE Vulnerabilities

CVE-2021-34716

Improper Handling of Exceptional Conditions

Published: Aug 18, 2021 | Modified: Nov 07, 2023
CVSS 3.x
7.2
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
9 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

A vulnerability in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to execute arbitrary code on the underlying operating system as the root user. This vulnerability is due to incorrect handling of certain crafted software images that are uploaded to the affected device. An attacker could exploit this vulnerability by authenticating to the system as an administrative user and then uploading specific crafted software images to the affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system as the root user.

Weakness

The product does not handle or incorrectly handles an exceptional condition.

Affected Software

Name Vendor Start Version End Version
Expressway Cisco x8.6.0 (including) x14.1 (excluding)
Telepresence_video_communication_server Cisco x8.6 (including) x14.0.3 (including)

References