Security readout for executives and security teams
Plain-English summary
Trend Micro Email Encryption Gateway 5.5 has an authenticated SQL injection issue tied to the formRequestDomains class. The public record says this could enable arbitrary SQL statements and describes remote code execution risk. Only organizations still running this legacy gateway version appear relevant from the supplied evidence.
Executive priority
Prioritize this for any organization still operating the affected gateway. The issue is old, authenticated, and not KEV-listed, but the stated SQL injection and remote code execution impact justifies prompt validation and vendor-guided remediation.
Technical view
CVE-2018-10356 affects Trend Micro Email Encryption Gateway 5.5. The flaw is SQL injection in formRequestDomains. Exploitation requires authentication. The source bundle provides no CVSS, CWE, patch detail, or confirmed exploit-in-the-wild evidence, and KEV status is false.
Likely exposure
Exposure is limited to environments running Trend Micro Email Encryption Gateway 5.5. Risk is higher where untrusted or weakly governed authenticated users can reach the vulnerable application. Evidence does not identify other versions or products.
Exploitation context
The public description requires authentication and does not show CISA KEV listing or active exploitation. Do not assume unauthenticated compromise. The main concern is abuse by a valid user, compromised account, or attacker who first obtains credentials.
Researcher notes
The supplied evidence is sparse: no CVSS vector, no CWE mapping, and no patch details. Analysis should stay anchored to Trend Micro Email Encryption Gateway 5.5, authenticated SQL injection, formRequestDomains, and the referenced ZDI and Trend Micro advisories.
Mitigation direction
- Check Trend Micro advisory 1119349 for official fix or upgrade guidance.
- Inventory Trend Micro Email Encryption Gateway deployments and confirm version 5.5 presence.
- Remove or upgrade affected 5.5 systems according to vendor guidance.
- Restrict access to authenticated users with a business need.
- Review and disable unnecessary accounts that can access the gateway.
Validation and detection
- Confirm whether Trend Micro Email Encryption Gateway 5.5 exists in the environment.
- Compare installed version and build against Trend Micro advisory guidance.
- Review gateway logs for suspicious authenticated requests or SQL error patterns.
- Check account history for unexpected access to affected gateway functions.
- Document compensating controls if vendor remediation is not immediately possible.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-10356 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://www.zerodayinitiative.com/advisories/ZDI-18-420/CVE reference · x_refsource_MISC
- https://success.trendmicro.com/solution/1119349CVE 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.
