What’s Vulnerable › Vulnerabilities

CVE-2020-3311: Cisco Firepower Management Center Open Redirect Vulnerability

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-06 · updated 2026-06-17
• Weakness: CWE-601

Description

A vulnerability in the web 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 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 specific malicious web page.

Affected products

• Cisco Firepower Management Center: before 6.3.0 — fixed in 6.3.0

How to fix

Upgrade to a fixed version: Cisco Firepower Management Center 6.3.0. Check the vendor advisory for mitigations.

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-webredirect-TcFgd42y
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-webredirect-TcFgd42y

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