# Cisco Firepower Extensible Operating System (FXOS). Every CVE that names Cisco Firepower Extensible Operating System (FXOS) among its affected products, newest first. Vendors and products are as the CNA wrote them. ## Records, newest first - [Cisco UCS Manager and FXOS Software Command Injection Vulnerability](https://agentprime.io/advisories/CVE-2026-20099.md) `CVE-2026-20099` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) and 2 more · CVSS 6.7 Medium · Not analysed yet · Published 25 Feb 2026 · Tags: Command injection - [Cisco UCS Manager and FXOS Software Stored Cross-Site Scripting Vulnerability](https://agentprime.io/advisories/CVE-2026-20091.md) `CVE-2026-20091` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) and 2 more · CVSS 4.8 Medium · Not analysed yet · Published 25 Feb 2026 · Tags: Cross-site scripting (XSS) - [Cisco NX-OS Software: A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS…](https://agentprime.io/advisories/CVE-2024-20294.md) `CVE-2024-20294` · CVE record: Cisco Cisco NX-OS Software and 3 more · CVSS 6.6 Medium · Not analysed yet · Published 28 Feb 2024 · Tags: Memory corruption - [External control of a file path in Cisco Adaptive Security Appliance (ASA) Software and others](https://agentprime.io/advisories/CVE-2023-20234.md) `CVE-2023-20234` · CVE record: Cisco Cisco Adaptive Security Appliance (ASA) Software and 2 more · CVSS 4.4 Medium · Not analysed yet · Published 23 Aug 2023 · Tags: Path traversal - [Infinite loop in Cisco Unified Computing System (Managed) and others](https://agentprime.io/advisories/CVE-2023-20200.md) `CVE-2023-20200` · CVE record: Cisco Cisco Unified Computing System (Managed) and 1 more · CVSS 7.7 High · Not analysed yet · Published 23 Aug 2023 · Tags: Denial of service - [Command injection in Cisco Firepower Threat Defense Software and others](https://agentprime.io/advisories/CVE-2022-20934.md) `CVE-2022-20934` · CVE record: Cisco Cisco Firepower Threat Defense Software and 1 more · CVSS 6.0 Medium · Not analysed yet · Published 10 Nov 2022 · Tags: Command injection - [Cisco FXOS Software Command Injection Vulnerability](https://agentprime.io/advisories/CVE-2022-20865.md) `CVE-2022-20865` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) · CVSS 6.7 Medium · Not analysed yet · Published 25 Aug 2022 · Tags: Command injection - [Cisco FXOS Software for Firepower 4100/9300 Series Appliances Secure Boot Bypass Vulnerability](https://agentprime.io/advisories/CVE-2020-3455.md) `CVE-2020-3455` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) · CVSS 6.7 Medium · Not analysed yet · Published 21 Oct 2020 · Tags: CWE-693 - [Cisco FXOS Software for Firepower 4100/9300 Series Command Injection Vulnerability](https://agentprime.io/advisories/CVE-2020-3459.md) `CVE-2020-3459` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) · CVSS 6.7 Medium · Not analysed yet · Published 21 Oct 2020 · Tags: Command injection - [Cisco FXOS Software Buffer Overflow Vulnerability](https://agentprime.io/advisories/CVE-2020-3545.md) `CVE-2020-3545` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) · CVSS 6.0 Medium · Not analysed yet · Published 4 Sept 2020 · Tags: Memory corruption - [Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability](https://agentprime.io/advisories/CVE-2020-3166.md) `CVE-2020-3166` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) · CVSS 4.2 Medium · Not analysed yet · Published 26 Feb 2020 · Tags: CWE-20 - [Cisco FXOS Software CLI Command Injection Vulnerability](https://agentprime.io/advisories/CVE-2020-3169.md) `CVE-2020-3169` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) · CVSS 6.7 Medium · Not analysed yet · Published 26 Feb 2020 · Tags: Command injection - [Cisco FXOS Software and Firepower Threat Defense Software Command Injection Vulnerabilities](https://agentprime.io/advisories/CVE-2019-12699.md) `CVE-2019-12699` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) · CVSS 8.8 High · Not analysed yet · Published 2 Oct 2019 · Tags: CWE-20 - [Cisco FXOS and NX-OS Software Simple Network Management Protocol Denial of Service Vulnerability](https://agentprime.io/advisories/CVE-2019-1858.md) `CVE-2019-1858` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) · CVSS 8.6 High · Not analysed yet · Published 16 May 2019 · Tags: CWE-20 - [Cisco Firepower 9000 Series Firepower 2-Port 100G Double-Width Network Module Queue Wedge Denial of Service Vulnerability](https://agentprime.io/advisories/CVE-2019-1700.md) `CVE-2019-1700` · CVE record: Cisco Cisco Firepower Extensible Operating System (FXOS) · CVSS 6.1 Medium · Not analysed yet · Published 21 Feb 2019 · Tags: CWE-399 ## Filters and formats Filters are query parameters on this URL: `q` (words, as in a web search engine: `"a phrase"`, `OR`, `-word`; an id; a package or product name), `severity` (low, medium, high or critical), `critical=1`, `kev=1`, `ecosystem` (npm, pypi, packagist, go, maven, rubygems, crates, nuget, hex), `kind=package`, `assigner` (a CNA’s short name), `min_score` and `state`. Each record’s title links to its Markdown page. - The same list as JSON: - Every list: , critical: ; by weakness: and the other tags in ; by technology: `/advisories/technology/.md` (`fortinet-fortimail`) --- The web page: . Everything for agents: .