Full Report
Fortinet security advisory (AV26-096)
Analysis Summary
# Vulnerability: FortiClientEMS 7.4 SQL Injection
## CVE Details
- CVE ID: CVE-2026-21643
- CVSS Score: (Score not explicitly provided, assuming Critical based on advisory context)
- CWE: CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
## Affected Systems
- Products: FortiClientEMS
- Versions: 7.4.4
- Configurations: Vulnerability exists in the administrative interface.
## Vulnerability Description
The vulnerability is a SQL Injection (SQLi) flaw located within the administrative interface of FortiClientEMS, allowing an attacker to potentially manipulate backend database queries via crafted input.
## Exploitation
- Status: Information missing (Assume PoC/Exploitation status is TBD based only on advisory reference FG-IR-25-1142)
- Complexity: Likely Medium (Requires access to the administrative interface)
- Attack Vector: Likely Network/Adjacent (Depending on EMS accessibility)
## Impact
- Confidentiality: High (Potential data exfiltration/disclosure)
- Integrity: High (Potential data modification or corruption)
- Availability: Medium (Potential service disruption)
## Remediation
### Patches
- The advisory implies that the fix is available in a subsequent version released after 7.4.4. (Specific fixed version is not listed in the provided context, users must consult vendor link.)
### Workarounds
- No specific workarounds were listed in the provided summary text. (Users should consult the vendor advisory for temporary mitigations.)
## Detection
- Indicators of compromise: Look for unusual patterns in web application logs, specifically targeting administrative login endpoints or configuration pages with SQL syntax characters (e.g., `'`, `--`, `UNION SELECT`).
- Detection methods and tools: Web Application Firewalls (WAF) configured to inspect traffic for common SQL injection payloads.
## References
- Vendor Advisories: https://www.fortiguard.com/psirt/FG-IR-25-1142
- Relevant links - defanged: https://www.cyber.gc.ca/fr/alertes-avis/bulletin-securite-fortinet-av26-096