CVE-2024-20388 Information disclosure in Cisco Firepower Management Center

Medium 5.3 Published 23 Oct 2024 Updated 24 Oct 2024

Unauthenticated attackers can determine valid usernames on Cisco FMC devices by exploiting improper authentication in password reset responses.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-20388?

CVE-2024-20388 is a medium-severity vulnerability in Cisco Secure Firewall Management Center, published on 23 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-202

Which versions are affected by CVE-2024-20388?

It affects 3 products.

Products include Cisco Firepower Management Center, Cisco Secure Firewall Management Center, Cisco Secure Firewall Threat Defense.

How do I fix CVE-2024-20388?

No fix has been published for CVE-2024-20388 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-20388 being exploited?

There is no known exploitation of CVE-2024-20388 in the wild and no public exploit code.

All Cisco Secure Firewall Management Center vulnerabilities

Sources

Also known as GHSA-jwpj-m256-82wg.