CVE-2026-20316
Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-07-29. Federal due date: 2026-08-01.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Impact
Cisco Secure Firewall Management Center (FMC) formerly known as Firepower Management Center contains a use of hard-coded password vulnerability that could allow an unauthenticated, remote attacker to log in to an affected device using a low-privileged account to access sensitive data within the impacted systems.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cisco | Cisco Secure Firewall Management Center (FMC) | Versions 7.2.4.1, 7.0.8, 7.0.6.2, 7.6.2.1, 7.7.12, 7.4.4 |
| Cisco | Secure Firewall Management Center | from 7.0.0 through 7.0.9 from 7.2.0 through 7.2.11 from 7.3.0 through 7.3.1.2 from 7.4.0 through 7.4.7 from 7.6.0 through 7.6.5 from 7.7.0 through 7.7.12 |