cvedb.io
CVE-2021-34716
MEDIUM · CVSS 6.7
EPSS exploitation probability: 0%
Published 2021-08-18T20:15:07.300 · Last modified 2026-06-17T03:56:24.937

Summary

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.

Affected products

cisco — expressway

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.