Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11 when installed on Cisco Firepower 9000 Series

productUS

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

by severity
1critical36high35medium0low
updated 2026-10-28
01

vulnerabilities (116)

Related CVEs.

IDseverity exploitable
CVE-2025-20362UShigh8.6OT criticalKEV
CVE-2025-20333US—OT criticalKEV
CVE-2024-20353UShigh8.6OT criticalKEV
CVE-2023-20269UScritical9.1OT criticalKEV
CVE-2024-20359USmedium6.0OT criticalKEV
CVE-2024-20481USmedium5.8OT criticalKEV
CVE-2022-20759UShigh8.8—
CVE-2025-20363US——
CVE-2021-40114UShigh7.5—
CVE-2021-1236USmedium5.3—
CVE-2021-1223UShigh7.5—
CVE-2022-20713USmedium6.1—
CVE-2021-1518UShigh8.8—
CVE-2021-40117UShigh7.5—
CVE-2021-1495USmedium5.3—
CVE-2021-34749UShigh8.6—
CVE-2021-1504UShigh7.5—
CVE-2021-1445UShigh7.5—
CVE-2021-34783UShigh7.5—
CVE-2022-20760UShigh7.5—
CVE-2022-20745UShigh7.5—
CVE-2022-20685US——
CVE-2021-34781UShigh7.5—
CVE-2021-40118UShigh7.5—
CVE-2022-20715UShigh8.6—
CVE-2021-1501UShigh7.5—
CVE-2021-1573UShigh7.5—
CVE-2022-20757UShigh7.5—
CVE-2021-1493UShigh7.1—
CVE-2021-1489USmedium6.5—
CVE-2020-3581USmedium6.1—
CVE-2021-34791USmedium5.3—
CVE-2021-34790USmedium5.3—
CVE-2021-1494US——
CVE-2021-34787USmedium5.3—
CVE-2021-40125USmedium6.5—
CVE-2021-34754UShigh7.5—
CVE-2022-20730UShigh7.5—
CVE-2022-20947UShigh7.5—
CVE-2022-20946UShigh7.5—
CVE-2022-20854UShigh7.5—
CVE-2025-20133US——
CVE-2022-20928USmedium5.8OT elevated—
CVE-2022-20949USmedium4.9—
CVE-2024-20351UShigh7.5—
CVE-2025-20225US——
CVE-2025-20224US——
CVE-2022-20940USmedium5.3—
CVE-2022-20795UShigh7.5OT elevated—
CVE-2023-20083UShigh8.6—
showing 50 of 116
02

weaknesses (8)

The flaw types (CWEs) most of these CVEs share.

  • CWE-20Improper Input Validation13 CVEs
  • CWE-401Missing Release of Memory after Effective Lifetime13 CVEs
  • CWE-787Out-of-bounds Write8 CVEs
  • CWE-284Improper Access Control7 CVEs
  • CWE-400Uncontrolled Resource Consumption6 CVEs
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer5 CVEs
  • CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')5 CVEs
  • CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')5 CVEs
03

sources (1)

Which sources assert this record, and when.

scry

Products carry known vulnerabilities once they are exposed to the internet. See what is exposed on your perimeter with a free passive scan.

Free scan