Open Redirect in Cisco Firepower Management Center

CVE-2020-3558

A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting an HTTP request from a user. A successful exploit could allow the attacker to modify the HTTP request to cause the interface to redirect the user to a specific, malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.

Vulnerability class: Open Redirect

EPSS: 0.008 (53.0th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3558?
CVE-2020-3558 is a medium-severity vulnerability in Cisco Firepower Management Center, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2020-10-21.
How severe is CVE-2020-3558?
Medium severity. CVSS v3 base score is 4.7 out of 10.