CVE Tools

Fx-os

46 CVEs tracked. None of them is in CISA KEV.

This hub aggregates every CVE we track for Fx-os, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Fx-os CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Fx-os CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-070
2026-080
2026-090

Severity

How the 46 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical12%
  • High2248%
  • Medium2350%

Latest CVEs

The 15 most recently published vulnerabilities affecting Fx-os.

  1. CVE-2024-20294A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (D...6.6
  2. CVE-2023-20234A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to create a file or overwrite any file on the filesystem of an affected device, including system files...4.4
  3. CVE-2023-20200A vulnerability in the Simple Network Management Protocol (SNMP) service of Cisco FXOS Software for Firepower 4100 Series and Firepower 9300 Security Appliances and of Cisco UCS 6300 Series Fabric ...7.7
  4. CVE-2023-20016Cisco FXOS Software and UCS Manager Software Configuration Backup Static Key Vulnerability6.3
  5. CVE-2023-20015Cisco Firepower 4100 Series, Firepower 9300 Security Appliances, and UCS Fabric Interconnects Command Injection Vulnerability6.0
  6. CVE-2022-20934A vulnerability in the CLI of Cisco Firepower Threat Defense (FTD) Software and Cisco FXOS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying oper...6.0
  7. CVE-2022-20824Cisco FXOS and NX-OS Software Cisco Discovery Protocol Denial of Service and Arbitrary Code Execution Vulnerability8.8
  8. CVE-2022-20865Cisco FXOS Software Command Injection Vulnerability6.7
  9. CVE-2022-20625Cisco FXOS and NX-OS Software Cisco Discovery Protocol Service Denial of Service Vulnerability4.3
  10. CVE-2021-34714Multiple Cisco Operating Systems Unidirectional Link Detection Denial of Service Vulnerability7.4
  11. CVE-2021-1368Cisco FXOS and NX-OS Software Unidirectional Link Detection Denial of Service and Arbitrary Code Execution Vulnerability8.8
  12. CVE-2020-3455Cisco FXOS Software for Firepower 4100/9300 Series Appliances Secure Boot Bypass Vulnerability7.8
  13. CVE-2020-3456Cisco FXOS Software Firepower Chassis Manager Cross-Site Request Forgery Vulnerability8.8
  14. CVE-2020-3457Cisco FXOS Software Command Injection Vulnerability6.7
  15. CVE-2020-3459Cisco FXOS Software for Firepower 4100/9300 Series Command Injection Vulnerability7.8

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