An issue was discovered in Biztalk360 before 11.5. Because of mishandling of user-provided input in an upload mechanism, an authenticated attacker is able to write files outside of the destination directory and/or coerce an authentication from the service, aka Directory Traversal.
Conclusion & alert: CVE-2025-59711 is rated Moderate Risk (48.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.66%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 1.18% | 0.66% | -0.52% |
| 2 | 2026-06-10 | 0.80% | 1.18% | +0.37% |
| 3 | 2026-05-15 | — | 0.80% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.3 | 3.1 | HIGH |
|
2.8 | 5.5 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| kovai | biztalk360 | < 11.6.3963.2611 | cpe:2.3:a:kovai:biztalk360:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.synacktiv.com/en/advisories/remote-code-execution-from-any-domain-account-in-biztalk360 | Third Party Advisory |