CVE Vulnerability

CVE-2021-34716

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.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.2 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewrce-QPynNCjh Patch Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:expressway:*:*:*:*:*:*:*:*
Information

Published : 2021-08-18 08:15

Updated : 2021-08-25 07:01

NVD link : CVE-2021-34716

Mitre link : CVE-2021-34716

Products Affected
No products.
CWE
CWE-755