Security readout for executives and security teams
Plain-English summary
Older GitLab Community and Enterprise Edition releases had an authorization bypass in the import component. An attacker could perform operations under a group where they were not authorized. The source bundle does not provide CVSS, severity, exploit details, or operational mitigations beyond fixed version thresholds.
Executive priority
Treat this as an upgrade and exposure-verification item for old self-managed GitLab deployments. Business urgency rises if legacy GitLab is externally reachable or used by many internal contributors.
Technical view
CVE-2017-0919 affects GitLab CE/EE before 10.1.6, 10.2.6, and 10.3.4. The issue is an authorization bypass in the GitLab import component, enabling unauthorized group-scoped operations. No CWE, CVSS vector, or detailed root cause is provided in the bundle.
Likely exposure
Exposure is limited to GitLab Community or Enterprise Edition instances running versions earlier than 10.1.6, 10.2.6, or 10.3.4 in the affected release lines.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. The HackerOne reference indicates a disclosed vulnerability report, but the bundle does not include exploit status or technical proof details.
Researcher notes
The bundle lacks CVSS, CWE, affected CPEs, and detailed technical mechanics. Analysis should stay tied to the import-component authorization bypass and fixed version thresholds unless the HackerOne report or GitLab advisory is reviewed directly.
Mitigation direction
- Upgrade affected GitLab CE/EE instances to 10.1.6, 10.2.6, 10.3.4, or later.
- Review GitLab vendor guidance for any release-line-specific remediation notes.
- Prioritize internet-accessible or broadly user-accessible GitLab instances.
- If upgrade is delayed, reduce access to import functionality where vendor-supported.
Validation and detection
- Inventory GitLab CE/EE versions across self-managed environments.
- Confirm no instance remains below 10.1.6, 10.2.6, or 10.3.4 in affected lines.
- Review group activity for unexpected operations by unauthorized users.
- Document whether project or group import features are enabled and exposed.
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.
Privilege 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-2017-0919 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://hackerone.com/reports/301137CVE 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.