Vulnerability in Cisco Secure Firewall Management Center (Fmc)
CVE-2026-20018
A vulnerability in the sftunnel functionality of Cisco Secure Firewall Management Center (FMC) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker with administrative privileges to…
EPSS: 0.001 (17.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Cisco Secure Firewall Management Center (Fmc) — versions 7.0.0, 7.0.0.1, 7.0.1
- Cisco Secure Firewall Threat Defense (Ftd) Software — versions 7.0.0, 7.0.0.1, 7.0.1
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20018?
- CVE-2026-20018 is a medium-severity vulnerability in Cisco Secure Firewall Management Center (Fmc), classified under CWE-27. CVSS score: 5.9/10. Published 2026-03-04.
- How severe is CVE-2026-20018?
- Medium severity. CVSS v3 base score is 5.9 out of 10.