Security readout for executives and security teams
Plain-English summary
This FortiOS issue can reveal a FortiGate device's private IP address and hostname through an Application Control Block page. That information can help an attacker map internal network details, but the provided sources do not show code execution, authentication bypass, CVSS scoring, or active exploitation.
Executive priority
Treat this as a bounded information disclosure issue unless additional Fortinet guidance changes the risk. Prioritize asset identification and vendor-advised remediation, particularly for internet-adjacent FortiGate deployments.
Technical view
CVE-2018-13365 is an information exposure vulnerability affecting Fortinet FortiOS 6.0.1 and 5.6.5 and below. The stated exposure is disclosure of private IP address and hostname via the Application Control Block page. The bundle provides no CWE, CVSS vector, patch details, or exploit evidence.
Likely exposure
Organizations with FortiGate devices running FortiOS 6.0.1 or 5.6.5 and below may be exposed, especially where Application Control Block pages are reachable by users or untrusted parties.
Exploitation context
The provided sources do not indicate active exploitation, public weaponization, or CISA KEV listing. The known impact is reconnaissance value: learning internal addressing and host naming that may support later targeting.
Researcher notes
Evidence is limited to the CVE description and Fortinet advisory reference. Do not assume broader FortiOS exposure, exploit availability, or fixed versions without reading the Fortinet advisory directly.
Mitigation direction
- Identify FortiGate assets running FortiOS 6.0.1, 5.6.5, or earlier.
- Review Fortinet advisory FG-IR-18-085 for vendor-approved remediation guidance.
- Apply only Fortinet-supported fixes or mitigations named by the advisory.
- Restrict unnecessary exposure of FortiGate-generated block pages where operationally possible.
Validation and detection
- Inventory FortiGate devices and record exact FortiOS versions.
- Confirm whether Application Control Block pages are presented to untrusted users.
- Review external and internal access paths where block pages may disclose device details.
- Track remediation status against Fortinet advisory FG-IR-18-085.
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-2018-13365 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://fortiguard.com/advisory/FG-IR-18-085CVE 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.