Security readout for executives and security teams
Plain-English summary
Octopus Deploy versions before 2018.4.7 had a tenant access-check weakness around variable scoping. In plain terms, tenant and deployment target tags could be considered without confirming the user was allowed to access those tenants. The source bundle does not describe confirmed data theft, remote code execution, or active exploitation.
Executive priority
Prioritize remediation if Octopus Deploy manages production deployments or segregates customers, environments, or business units by tenant. The main concern is weakened access separation, not a publicly confirmed exploit campaign.
Technical view
CVE-2018-10550 is an authorization validation issue in Octopus Deploy before 2018.4.7. Target and tenant tag variable scopes were not checked against the tenants available to the user. The available sources do not provide CVSS, CWE, exploit mechanics, or detailed impact boundaries.
Likely exposure
Exposure is most likely where Octopus Deploy before 2018.4.7 is used with tenants, tenant tags, target tags, or tenant-scoped variables. Single-tenant or non-tenant deployments may have lower practical exposure, but the sources do not confirm that distinction.
Exploitation context
The provided CVE data marks this as not in CISA KEV, and the bundle contains no cited evidence of active exploitation. Treat exploit status as unconfirmed, not absent.
Researcher notes
The public description is narrow and lacks CVSS, CWE, or proof-of-concept detail. Validation should focus on version, tenant usage, variable scopes, and permission boundaries. Avoid assuming broader product impact beyond Octopus Deploy before 2018.4.7.
Mitigation direction
- Upgrade Octopus Deploy to 2018.4.7 or later.
- Review Octopus Deploy vendor guidance and issue 4454.
- Audit tenant-scoped variables and tag-based variable scopes.
- Limit tenant administration rights to trusted users.
- Review historical changes to tenant and target tags.
Validation and detection
- Inventory Octopus Deploy server versions.
- Confirm whether tenant-scoped variables are used.
- Check for deployments running before version 2018.4.7.
- Review permissions for users with tenant visibility or variable access.
- Look for unexpected tenant or target tag 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.
CVE-2018-10550 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://github.com/OctopusDeploy/Issues/issues/4454CVE reference · x_refsource_CONFIRM
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.