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.
EPSS 2.39% · 82.8th percentile
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| cisco | expressway | x8.6.0 |
| Cisco | Cisco TelePresence Video Communication Server (VCS) Expressway | n/a |
| cisco | telepresence_video_communication_server | x8.6 |
Timeline
- Aug 18, 2021 CVE Published
- Aug 19, 2021 EPSS Score
- Oct 17, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 11, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jun 8, 2022 EPSS Score
- Aug 6, 2022 EPSS Score
- Oct 4, 2022 EPSS Score
- Dec 1, 2022 EPSS Score
- Mar 7, 2023 EPSS Score