CVE-2023-20209

Telepresence Video Communication Server vulnerability

CVSS

6.5

EPSS

37.9%

EPSS pct

98th

Exploited

No known

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 vendor

Cisco

Affected product

Telepresence Video Communication Server

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Weakness type (CWE)

CWE-94 — Code Injection
CWE-77 — Command Injection

Published

2023-08-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity.

Its EPSS score of 37.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2023-20209

Confirm whether Cisco Telepresence Video Communication Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-20209.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-20209

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-20209 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2023-20209?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2023-20209.

Start free scan

No credit card. Agentless.

Related vulnerabilities