Security readout for executives and security teams
Plain-English summary
CVE-2019-12694 is a Cisco Firepower Threat Defense CLI command injection issue. It requires local, authenticated administrative access, so it is not a remote unauthenticated break-in. If abused, it can let that administrator run operating-system commands as root on the appliance.
Executive priority
Treat this as a moderate-priority infrastructure hardening item. It is serious if an administrator account is compromised, but the sources indicate high privileges are required before exploitation. Prioritize patch validation and administrative access review for internet-facing or security-critical FTD appliances.
Technical view
Cisco attributes the flaw to insufficient input validation in the FTD Software CLI. An authenticated local attacker with administrative privileges could pass crafted arguments to a CLI command and execute commands on the underlying OS with root privileges. CVSS 3.0 score is 6.7, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to environments running Cisco Firepower Threat Defense Software where users or automation have administrative CLI access. The source bundle does not provide affected version ranges, fixed releases, or CPEs, so teams must map installed FTD versions against Cisco's advisory.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Practical abuse requires already having local administrative privileges on the FTD CLI, making this mainly a post-compromise, insider, or over-privileged-administrator risk rather than an internet-scale initial access issue.
Researcher notes
Key missing details are affected version ranges, fixed versions, and workaround statements. Avoid assuming exploitation in the wild from this bundle. The vulnerability is CWE-20 input validation leading to command injection from a privileged local CLI context with root-level OS impact.
Mitigation direction
- Review Cisco's advisory for affected and fixed FTD releases.
- Upgrade affected FTD deployments according to Cisco guidance.
- Restrict administrative CLI access to trusted administrators only.
- Remove unnecessary local administrator accounts and stale automation credentials.
- Monitor administrative activity for unexpected OS-level behavior.
Validation and detection
- Inventory Cisco Firepower Threat Defense deployments and versions.
- Compare installed versions with Cisco's advisory guidance.
- Review who has administrative CLI access to each appliance.
- Confirm privileged access is logged and centrally monitored.
- Check change records for timely remediation of affected systems.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-20: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-12694 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H0.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.7MediumVector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20191002 Cisco Firepower Threat Defense Software Command Injection VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.