Cisco Expressway Series Improper Input Causing Open Redirection
CVE-2024-20400 Published on July 17, 2024
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 request parameters. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit could allow the attacker to redirect the user to a malicious web page. Note: Cisco Expressway Series refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices.
Vulnerability Analysis
CVE-2024-20400 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is an Open Redirect Vulnerability?
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. An http parameter may contain a URL value and could cause the web application to redirect the request to the specified URL. By modifying the URL value to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials. Because the server name in the modified link is identical to the original site, phishing attempts have a more trustworthy appearance.
CVE-2024-20400 has been classified to as an Open Redirect vulnerability or weakness.
Products Associated with CVE-2024-20400
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Affected Versions
Cisco TelePresence Video Communication Server (VCS) Expressway:- Version X8.5.1 is affected.
- Version X8.5.3 is affected.
- Version X8.5 is affected.
- Version X8.6.1 is affected.
- Version X8.6 is affected.
- Version X8.1.1 is affected.
- Version X8.1.2 is affected.
- Version X8.1 is affected.
- Version X8.2.1 is affected.
- Version X8.2.2 is affected.
- Version X8.2 is affected.
- Version X8.7.1 is affected.
- Version X8.7.2 is affected.
- Version X8.7.3 is affected.
- Version X8.7 is affected.
- Version X8.8.1 is affected.
- Version X8.8.2 is affected.
- Version X8.8.3 is affected.
- Version X8.8 is affected.
- Version X8.9.1 is affected.
- Version X8.9.2 is affected.
- Version X8.9 is affected.
- Version X8.10.0 is affected.
- Version X8.10.1 is affected.
- Version X8.10.2 is affected.
- Version X8.10.3 is affected.
- Version X8.10.4 is affected.
- Version X12.5.8 is affected.
- Version X12.5.9 is affected.
- Version X12.5.0 is affected.
- Version X12.5.2 is affected.
- Version X12.5.7 is affected.
- Version X12.5.3 is affected.
- Version X12.5.4 is affected.
- Version X12.5.5 is affected.
- Version X12.5.1 is affected.
- Version X12.5.6 is affected.
- Version X12.6.0 is affected.
- Version X12.6.1 is affected.
- Version X12.6.2 is affected.
- Version X12.6.3 is affected.
- Version X12.6.4 is affected.
- Version X12.7.0 is affected.
- Version X12.7.1 is affected.
- Version X8.11.1 is affected.
- Version X8.11.2 is affected.
- Version X8.11.4 is affected.
- Version X8.11.3 is affected.
- Version X8.11.0 is affected.
- Version X14.0.1 is affected.
- Version X14.0.3 is affected.
- Version X14.0.2 is affected.
- Version X14.0.4 is affected.
- Version X14.0.5 is affected.
- Version X14.0.6 is affected.
- Version X14.0.7 is affected.
- Version X14.0.8 is affected.
- Version X14.0.9 is affected.
- Version X14.0.10 is affected.
- Version X14.0.11 is affected.
- Version X14.2.1 is affected.
- Version X14.2.2 is affected.
- Version X14.2.5 is affected.
- Version X14.2.6 is affected.
- Version X14.2.0 is affected.
- Version X14.2.7 is affected.
- Version X14.3.0 is affected.
- Version X14.3.1 is affected.
- Version X14.3.2 is affected.
- Version X14.3.3 is affected.
- Version X14.3.4 is affected.
- Version X14.3.5 is affected.
- Version X15.0.0 is affected.
- Version X15.0.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.