CVE-2021-34716CWE-460

Cisco Expressway Series and TelePresence Video Communication Server Remote Code Execution Vulnerability

Medium · published August 18, 2021

CVSS v3.1
6.7
EPSS
2%
Percentile
83.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.7 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.02395 · 83.9th percentile
Weakness
CWE-460 · Improper Cleanup on Thrown Exception
Published
2021-08-18T19:40Z
EPSS history
Timeline
  • 18 AUG 19:40Z
    Cisco Expressway Series and TelePresence Video Communication Server Remote Code Execution Vulnerability
    cvelistv5