CVE-2024-20388
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk36th percentile - higher than 36% of all known CVEs
Summary
A vulnerability in the password change feature of Cisco Firepower Management Center (FMC) could allow an unauthenticated, remote attacker to determine valid user names on an affected device. This is due to improper authentication of password update responses.
Risk Assessment
An attacker could discover valid usernames, facilitating brute-force or phishing attacks.
Recommendation
Apply Cisco updates for FMC and monitor password reset attempts.
Other vulnerabilities in Cisco FMC
Original NVD description (English source)
A vulnerability in the password change feature of Cisco Firepower Management Center (FMC) software could allow an unauthenticated, remote attacker to determine valid user names on an affected device. This vulnerability is due to improper authentication of password update responses. An attacker could exploit this vulnerability by forcing a password reset on an affected device. A successful exploit could allow the attacker to determine valid user names in the unauthenticated response to a forced password reset.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS