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CVE Vulnerability Details :
CVE-2026-20064
PUBLISHED
More InfoOfficial Page
Assigner-cisco
Assigner Org ID-d1c1063e-7a18-46af-9102-31f8928bc633
View Known Exploited Vulnerability (KEV) details
Published At-04 Mar, 2026 | 18:36
Updated At-04 Mar, 2026 | 19:05
Rejected At-
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
Cisco Systems, Inc.Cisco
Product
Cisco Secure Firewall Threat Defense (FTD) Software
Versions
Affected
  • 6.4.0
  • 6.4.0.1
  • 6.4.0.3
  • 6.4.0.2
  • 6.4.0.4
  • 6.4.0.5
  • 6.4.0.6
  • 6.4.0.7
  • 6.4.0.8
  • 6.4.0.9
  • 6.4.0.10
  • 6.4.0.11
  • 6.4.0.12
  • 6.4.0.13
  • 6.4.0.14
  • 6.4.0.15
  • 6.4.0.16
  • 6.4.0.17
  • 6.4.0.18
  • 7.0.0
  • 7.0.0.1
  • 7.0.1
  • 7.0.1.1
  • 7.0.2
  • 7.0.2.1
  • 7.0.3
  • 7.0.4
  • 7.0.5
  • 7.0.6
  • 7.0.6.1
  • 7.0.6.2
  • 7.0.6.3
  • 7.0.7
  • 7.0.8
  • 7.0.8.1
  • 7.1.0
  • 7.1.0.1
  • 7.1.0.2
  • 7.1.0.3
  • 7.2.0
  • 7.2.0.1
  • 7.2.1
  • 7.2.2
  • 7.2.3
  • 7.2.4
  • 7.2.4.1
  • 7.2.5
  • 7.2.5.1
  • 7.2.6
  • 7.2.7
  • 7.2.5.2
  • 7.2.8
  • 7.2.8.1
  • 7.2.9
  • 7.2.10
  • 7.2.10.2
  • 7.3.0
  • 7.3.1
  • 7.3.1.1
  • 7.3.1.2
  • 7.4.0
  • 7.4.1
  • 7.4.1.1
  • 7.4.2
  • 7.4.2.1
  • 7.4.2.2
  • 7.4.2.3
  • 7.4.2.4
  • 7.6.0
  • 7.6.1
  • 7.6.2
  • 7.6.2.1
  • 7.7.0
  • 7.7.10
  • 7.7.10.1
Problem Types
TypeCWE IDDescription
cweCWE-476NULL Pointer Dereference
Type: cwe
CWE ID: CWE-476
Description: NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmd-inj-mTzGZexf
N/A
Hyperlink: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmd-inj-mTzGZexf
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found