Security readout for executives and security teams
Plain-English summary
CVE-2019-12661 affects Cisco IOS XE Software. An attacker who already has administrator access on an affected device could abuse a Virtualization Manager CLI command to run operating-system commands as root, potentially compromising the device completely.
Executive priority
Treat this as a moderate-priority network infrastructure issue. It is not described as remotely exploitable without credentials, but successful abuse gives root-level control of a device, which can affect network trust and availability.
Technical view
The issue is command injection in a VMAN-related CLI command caused by insufficient argument validation. Scope is local, low complexity, high privileges required, no user interaction, with high confidentiality, integrity, and availability impact. Affected versions are not specified in the provided bundle.
Likely exposure
Exposure is most relevant for organizations running Cisco IOS XE Software where administrators or local CLI users can access VMAN-related commands. The bundle does not identify specific vulnerable releases or device models.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Exploitation requires authenticated local administrator access, so this is mainly a post-admin-compromise or malicious-admin risk.
Researcher notes
Key uncertainty is version scope: the provided bundle lists Cisco IOS XE Software with unspecified versions. Analysis should focus on Cisco’s advisory for release mapping, fixed software, and any official workaround language before making exposure claims.
Mitigation direction
- Review Cisco’s advisory for fixed releases or official workarounds.
- Inventory Cisco IOS XE devices and identify exact software releases.
- Limit administrator access to trusted operators only.
- Review and remove unnecessary local administrative accounts.
- Monitor devices for unexpected OS-level changes or configuration drift.
Validation and detection
- Confirm whether Cisco IOS XE Software is deployed in your environment.
- Compare device releases against the Cisco advisory’s affected-release guidance.
- Review who has administrator or local CLI access to those devices.
- Check change logs for unusual administrative activity on affected devices.
- Verify remediation only against Cisco-published guidance for the exact release.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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-2019-12661 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
- 20190925 Cisco IOS XE Software Virtualization Manager CLI 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 Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.