CVE-2026-20064

MEDIUM
2026-03-04 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:05 vuln.today
CVE Published
Mar 04, 2026 - 19:16 nvd
MEDIUM 6.5

Tags

Cisco Denial Of Service

Description

A vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause the device to unexpectedly reload, causing a denial of service (DoS) condition. This vulnerability is due to improper validation of user-supplied input. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Analysis

Cisco Secure Firewall Threat Defense (FTD) devices can be forcibly rebooted by authenticated local attackers through improper input validation in CLI commands, resulting in denial of service. This vulnerability affects low-privileged accounts and requires no user interaction to exploit. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-20064 vulnerability details – vuln.today
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