Input validation error in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2023-20155
Published: November 2, 2023
Vulnerability identifier: #VU82683
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-20155
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a lack of rate-limiting of requests that are sent to a specific API that is related to an FMC log. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
How to mitigate CVE-2023-20155
Install updates from vendor's website.
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - addressed in versions 6.4.0.17, 7.0.6, 7.2.4