What is CVE-2024-20400?

CVE-2024-20400 is a medium-severity vulnerability in Cisco Telepresence Video Communication Server (Vcs) Expressway, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2024-07-17.

How severe is CVE-2024-20400?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2024-20400 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Cisco Telepresence Video Communication Server (Vcs) Expressway

CVE-2024-20400

A vulnerability in the web-based management interface of Cisco Expressway Series could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of HTTP…

Vulnerability class: Open Redirect

EPSS: 0.004 (59.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N.

Affected products

Cisco Telepresence Video Communication Server (Vcs) Expressway — versions X8.5.1, X8.5.3, X8.5

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cisco-sa-expressway-redirect-KJsFuXgj

Frequently asked questions

What is CVE-2024-20400?: CVE-2024-20400 is a medium-severity vulnerability in Cisco Telepresence Video Communication Server (Vcs) Expressway, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2024-07-17.
How severe is CVE-2024-20400?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2024-20400 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.