Cisco Firepower Extensible Operating System (Fxos)
15 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Cisco Firepower Extensible Operating System (Fxos), a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.
Cisco Firepower Extensible Operating System (Fxos) CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 2 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 15 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- High5
- Medium10
Latest CVEs
The 15 most recently published vulnerabilities affecting Cisco Firepower Extensible Operating System (Fxos).
- CVE-2026-20099Cisco UCS Manager and FXOS Software Command Injection Vulnerability6.7
- CVE-2026-20091Cisco UCS Manager and FXOS Software Stored Cross-Site Scripting Vulnerability4.8
- 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
- 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
- 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
- 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
- CVE-2022-20865Cisco FXOS Software Command Injection Vulnerability6.7
- CVE-2020-3455Cisco FXOS Software for Firepower 4100/9300 Series Appliances Secure Boot Bypass Vulnerability7.8
- CVE-2020-3459Cisco FXOS Software for Firepower 4100/9300 Series Command Injection Vulnerability7.8
- CVE-2020-3545Cisco FXOS Software Buffer Overflow Vulnerability6.0
- CVE-2020-3166Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability6.7
- CVE-2020-3169Cisco FXOS Software CLI Command Injection Vulnerability6.7
- CVE-2019-12699Cisco FXOS Software and Firepower Threat Defense Software Command Injection Vulnerabilities7.8
- CVE-2019-1858Cisco FXOS and NX-OS Software Simple Network Management Protocol Denial of Service Vulnerability8.6
- CVE-2019-1700Cisco Firepower 9000 Series Firepower 2-Port 100G Double-Width Network Module Queue Wedge Denial of Service Vulnerability6.1
Product grouping is registry-driven, with AI assist and human review. How it works