Cisco Cisco Firepower Extensible Operating System (Fxos)
15 CVEs affecting Cisco Cisco Firepower Extensible Operating System (Fxos). Latest disclosed: 2026-02-25. Critical: 0, High: 3.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2019-12699 | High | 8.8 | 2019-10-02 | Multiple vulnerabilities in the CLI of Cisco FXOS Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to ex… |
CVE-2019-1858 | High | 8.6 | 2019-05-16 | A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthen… |
CVE-2023-20200 | High | 7.7 | 2023-08-23 | A vulnerability in the Simple Network Management Protocol (SNMP) service of Cisco FXOS Software for Firepower 4100 Series and Firepower 9300 Security Appliance… |
CVE-2026-20099 | Medium | 6.7 | 2026-02-25 | A vulnerability in the web-based management interface of Cisco FXOS Software and Cisco UCS Manager Software could allow an authenticated, local attacker w… |
CVE-2022-20865 | Medium | 6.7 | 2022-08-25 | A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privile… |
CVE-2020-3455 | Medium | 6.7 | 2020-10-21 | A vulnerability in the secure boot process of Cisco FXOS Software could allow an authenticated, local attacker to bypass the secure boot mechanisms. The vulner… |
CVE-2020-3459 | Medium | 6.7 | 2020-10-21 | A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privile… |
CVE-2020-3169 | Medium | 6.7 | 2020-02-26 | A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating… |
CVE-2024-20294 | Medium | 6.6 | 2024-02-28 | A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent at… |
CVE-2019-1700 | Medium | 6.1 | 2019-02-21 | A vulnerability in field-programmable gate array (FPGA) ingress buffer management for the Cisco Firepower 9000 Series with the Cisco Firepower 2-port 100G doub… |
CVE-2022-20934 | Medium | 6.0 | 2022-11-10 | A vulnerability in the CLI of Cisco Firepower Threat Defense (FTD) Software and Cisco FXOS Software could allow an authenticated, local attacker to execute arb… |
CVE-2020-3545 | Medium | 6.0 | 2020-09-04 | A vulnerability in Cisco FXOS Software could allow an authenticated, local attacker with administrative credentials to cause a buffer overflow condition. The v… |
CVE-2026-20091 | Medium | 4.8 | 2026-02-25 | A vulnerability in the web-based management interface of Cisco FXOS Software and Cisco UCS Manager Software could allow an authenticated, remote attacker to co… |
CVE-2023-20234 | Medium | 4.4 | 2023-08-23 | A 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 a… |
CVE-2020-3166 | Medium | 4.2 | 2020-02-26 | A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating sys… |