A buffer overflow vulnerability in "Add command" functionality exists in Flexense SyncBreeze Enterprise <= 10.3.14. The vulnerability can be triggered by an authenticated attacker who submits more than 5000 characters as the command name. It will cause termination of the SyncBreeze Enterprise server and possibly remote command execution with SYSTEM privilege.
Conclusion & alert: CVE-2017-17996 is rated High Exploit Risk (83.2/100): CVSS High severity, with high exploitation likelihood (EPSS 5.17%, 91th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.03% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 4.15% | 5.17% | +1.03% |
| 2 | 2025-08-23 | 4.36% | 4.15% | -0.21% |
| 3 | 2025-03-30 | — | 4.36% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 9.0 | 2.0 | HIGH |
|
8.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| flexense | syncbreeze | <= 10.3.14 | cpe:2.3:a:flexense:syncbreeze:*:*:*:*:enterprise:*:*:* |
| URL | Tags |
|---|---|
| http://seclists.org/fulldisclosure/2018/Feb/10 | Exploit Mailing List Third Party Advisory |
| http://www.ryantzj.com/flexense-syncbreeze-entreprise-10314-buffer-overflow-seh-bypass.html | Exploit Third Party Advisory |