VDB
CVE-2021-34715
CVE-2021-34715
PUBLISHED
CVSS 4.699999809265137 MEDIUM
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.
EPSS 0.67% · 71.7th percentile
Risk Scores
CVSS 3.1
4.699999809265137
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
EPSS Score
0.67%
71.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| cisco | expressway | 0 |
| Cisco | Cisco TelePresence Video Communication Server (VCS) Expressway | * |
| cisco | telepresence_video_communication_server | 0 |
Exploit Intelligence
Timeline
- Aug 18, 2021 CVE Published
- Aug 19, 2021 EPSS Score
- Oct 16, 2021 EPSS Score
- Dec 14, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 10, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 10, 2022 EPSS Score
- Jun 7, 2022 EPSS Score
- Oct 3, 2022 EPSS Score
- Nov 30, 2022 EPSS Score
- Jan 28, 2023 EPSS Score