4.7
Medium
CVE-2021-34715 A vulnerability in the image verification function of Cisco Expressway Series and Cisco TelePresence Video Communication…
Description
A vulnerability in the image verification function of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to execute code with internal user privileges on the underlying operating system. The vulnerability is due to insufficient validation of the content of upgrade packages. An attacker could exploit this vulnerability by uploading a malicious archive to the Upgrade page of the administrative web interface. A successful exploit could allow the attacker to execute code with user-level privileges (the _nobody account) on the underlying operating system.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco TelePresence Video Communication Server (VCS) Expressway | Versions not published |
Other CVEs of Cisco TelePresence Video Communication Server (VCS) Expressway
The 33 CVEs of Cisco TelePresence Video Communication Server (VCS) Expressway →
CVE-2026-76497
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software…
6.6
Medium
CVE-2026-76496
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software…
7.0
High
CVE-2026-76495
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software…
7.8
High
CVE-2026-76494
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software…
7.8
High