Security readout for executives and security teams
Plain-English summary
CVE-2019-1682 is a Cisco APIC flaw that can let a logged-in local user become root. It is not a remote internet attack in the provided sources, but root access on APIC is serious because APIC manages Cisco ACI infrastructure.
Executive priority
Treat as high priority where Cisco APIC is deployed. Root compromise of an APIC controller can affect management of ACI infrastructure. Urgency depends on whether local APIC access is broadly available or tightly restricted.
Technical view
The issue is insufficient input validation of certain CLI command strings in Cisco APIC FUSE filesystem functionality. An authenticated local attacker with write permissions in a readable folder could alter affected definitions and cause the FUSE driver to execute crafted commands as root.
Likely exposure
Exposure is limited to Cisco Application Policy Infrastructure Controller deployments running affected APIC software. The source bundle does not identify specific affected versions, so teams must verify releases against Cisco’s advisory.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation requires authenticated local access plus write permissions to relevant files within a readable folder on the APIC device.
Researcher notes
Key unknowns are affected version ranges and vendor-fixed releases, which are not included in the bundle. Validation should focus on APIC software inventory, local privilege boundaries, and Cisco advisory mapping rather than assuming remote exploitability.
Mitigation direction
- Review Cisco’s advisory for affected and fixed APIC software releases.
- Upgrade or remediate APIC software according to Cisco guidance.
- Restrict local APIC shell and CLI access to trusted administrators.
- Review local file write permissions for unnecessary access.
- Monitor APIC administrative activity for unexpected file or CLI changes.
Validation and detection
- Inventory all Cisco APIC deployments and record software versions.
- Compare installed APIC releases with Cisco’s advisory.
- Review local user accounts and administrative access paths.
- Check whether non-administrators have local write permissions on APIC.
- Look for unusual local CLI activity or file definition changes.
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-264: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-1682 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
- High
- CVSS
- 7.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.8HighVector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20190501 Cisco Application Policy Infrastructure Controller Privilege Escalation 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.
Permissions, Privileges, and Access Controls
Permissions, Privileges, and Access Controls represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.