Security readout for executives and security teams
Plain-English summary
CVE-2017-18376 lets a non-admin TheHive user become an administrator because the User API did not properly enforce authorization. This matters because TheHive is commonly used for security case management, so administrator access could expose investigations, cases, and user management. Public sources do not show known active exploitation.
Executive priority
Prioritize remediation if TheHive is used for security operations or has many user accounts. The risk is privilege escalation to administrator, not remote unauthenticated compromise. Treat as high priority for affected versions because administrator access can undermine incident response integrity.
Technical view
The flaw affects TheHive before 2.13.4 and 3.x before 3.3.1. Users with read-only or read/write access could escalate privileges to administrator through the User API. The CVE identifies app/controllers/UserCtrl.scala as affected. No CVSS score is provided in the source bundle.
Likely exposure
Organizations running TheHive versions earlier than 2.13.4, or 3.x versions earlier than 3.3.1, are potentially exposed if untrusted or compromised authenticated users can access the application.
Exploitation context
The issue requires an existing TheHive user account with read-only or read/write access. A public reference includes exploit-oriented material, but the CVE is not in CISA KEV and the provided sources do not confirm active exploitation.
Researcher notes
Evidence is limited to the CVE description and project references. The affected component is the User API controller. The fixed version information is explicit for 2.13.4 and 3.3.1, but no CVSS, CWE, or confirmed exploitation status is provided.
Mitigation direction
- Upgrade TheHive 2.x to at least 2.13.4.
- Upgrade TheHive 3.x to at least 3.3.1.
- Review TheHive release notes and vendor guidance for deployment-specific instructions.
- Limit TheHive access to trusted users and networks until upgraded.
- Monitor for unexpected administrator role assignments.
Validation and detection
- Inventory all TheHive instances and record versions.
- Confirm each instance is 2.13.4, 3.3.1, or later as applicable.
- Review user and audit records for unexpected privilege changes.
- Verify non-admin users cannot alter roles through approved internal testing.
- Check whether any exposed instance allows access by untrusted accounts.
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.
CVE-2017-18376 mapping review
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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://github.com/TheHive-Project/TheHive/issues/408CVE reference · x_refsource_MISC
- https://github.com/TheHive-Project/TheHive/releases/tag/3.3.1CVE reference · x_refsource_MISC
- https://gist.github.com/RaJiska/c1b4521aefd77ed43b06045ca05e2591CVE 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.