Vulnerability intelligence
CVE-2026-20079
A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system. This vulnerability is due to an improper system process that is created at boot time. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute a variety of scripts and commands that allow root access to the device.
CVSS Score
10
Critical
EPSS — Exploit Probability
38%
Riskier than 98% of all CVEs
Exploitation
Not in CISA KEV
No federal exploitation record
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered Aug 6, 2026 · latest Aug 6, 2026
Tracked incidents
Coverage timeline
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Cisco fixes critical flaws in Catalyst SDWAN and firewall gearwww.securityweek.com · Aug 6, 2026