Vulnerability · Published Aug 16, 2023 · Assigned by cisco
CVE-2023-20209
Medium 6.5
In plain English
A medium-severity code injection in Cisco TelePresence Video Communication Server (VCS) Expressway from Cisco. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 39.5% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
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 with read-write privileges on the application to perform a command injection attack that could result in remote code execution on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to establish a remote shell with root privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco TelePresence Video Communication Server (VCS) Expressway | X8.5.1X8.5.3X8.5X8.6.1X8.6X8.1.1X8.1.2X8.1 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N