Security readout for executives and security teams
Plain-English summary
Ubuntu MAAS before 1.9.2 could let an unauthenticated network user download files through a server API that failed to check ownership. For executives, the main risk is exposure of sensitive deployment, provisioning, or operational data from MAAS systems reachable on the network.
Executive priority
Treat this as a high-priority confidentiality issue for any legacy MAAS environment. Prioritize internet- or broadly network-reachable MAAS servers, then internal management networks that may contain sensitive provisioning data.
Technical view
The issue is in maasserver.api.get_file_by_name, where file ownership was not checked before download. CVSS 3.0 rates it 8.6: network reachable, low complexity, no privileges, no user interaction, high confidentiality impact, no integrity or availability impact.
Likely exposure
Organizations are likely exposed if they run Ubuntu MAAS versions prior to 1.9.2 and the MAAS service is reachable by unauthenticated network clients. The source bundle does not identify specific configurations, file types, or endpoint paths beyond the vulnerable API function.
Exploitation context
The provided sources do not show active exploitation, and this CVE is not marked as KEV. The described weakness is serious because authentication is not required and confidentiality impact is high, but available evidence does not support claims about public exploit use.
Researcher notes
Evidence is concise and incomplete: the CVE description identifies the vulnerable function and affected versions before 1.9.2, but no CWE, detailed advisory, exploit status, or configuration-specific mitigations are provided in the bundle.
Mitigation direction
- Upgrade Ubuntu MAAS to 1.9.2 or later.
- Restrict network access to MAAS management services until patched.
- Review Canonical/Ubuntu MAAS release guidance for additional operational steps.
- Audit MAAS file access logs for unexpected unauthenticated downloads.
Validation and detection
- Inventory MAAS deployments and confirm none run versions prior to 1.9.2.
- Confirm MAAS management interfaces are not exposed to untrusted networks.
- Review access logs for file-download activity from unauthenticated or unexpected clients.
- Verify ownership checks are enforced in the deployed MAAS version.
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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CVE-2014-1426 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
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:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N3.94Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.6HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://launchpad.net/maas/+milestone/1.9.2CVE reference · x_refsource_MISC
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.