What is CVE-2023-20192?

CVE-2023-20192 is a critical-severity vulnerability in Cisco Telepresence Video Communication Server (Vcs) Expressway, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2023-06-28.

How severe is CVE-2023-20192?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Improper input validation in Cisco Telepresence Video Communication Server (Vcs) Expressway

CVE-2023-20192

Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated attacker with Administrator-level read-only credentials to elevate their privileges to Administrator with read-write credentials on an affected system. Note: "Cisco Expressway Series" refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices. For more information about these vulnerabilities, see the Details section of this advisory.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.007 (49.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

psirt@cisco.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20192?: CVE-2023-20192 is a critical-severity vulnerability in Cisco Telepresence Video Communication Server (Vcs) Expressway, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2023-06-28.
How severe is CVE-2023-20192?: Critical severity. CVSS v3 base score is 9.6 out of 10.