Auth bypass in Cisco Firepower Management Center
CVE-2023-20048
A vulnerability in the web services interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to execute certain unauthorized configuration commands on a Firepower Threat Defense (FTD) device that is managed by the FMC Software. This vulnerability is due to insufficient authorization of configuration commands that are sent through the web service interface. An attacker could exploit this vulnerability by authenticating to the FMC web services interface and sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to execute certain configuration commands on the targeted FTD device. To successfully exploit this vulnerability, an attacker would need valid credentials on the FMC Software.
Vulnerability class: Privilege Escalation
EPSS: 0.158 (96.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:H.
Affected products
- Cisco Firepower Management Center — versions 6.2.3, 6.2.3.1, 6.2.3.2
- Cisco Secure_firewall_management_center
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20048?
- CVE-2023-20048 is a critical-severity vulnerability in Cisco Firepower Management Center, classified under Improper Privilege Management. CVSS score: 9.9/10. Published 2023-11-01.
- How severe is CVE-2023-20048?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2023-20048 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.