Auth bypass in Cisco Firepower Management Center
CVE-2020-3410
A vulnerability in the Common Access Card (CAC) authentication feature of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and access the FMC system. The attacker must have a valid CAC to initiate the access attempt. The vulnerability is due to incorrect session invalidation during CAC authentication. An attacker could exploit this vulnerability by performing a CAC-based authentication attempt to an affected system. A successful exploit could allow the attacker to access an affected system with the privileges of a CAC-authenticated user who is currently logged in.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (65.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Cisco Firepower Management Center
- Cisco Secure Firewall Management Center — versions 6.6.0, 6.6.0.1
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-caca… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3410?
- CVE-2020-3410 is a high-severity vulnerability in Cisco Firepower Management Center, classified under Improper Authentication. CVSS score: 8.1/10. Published 2020-10-21.
- How severe is CVE-2020-3410?
- High severity. CVSS v3 base score is 8.1 out of 10.