A path traversal vulnerability exists within GoAnywhere MFT before 6.8.3 that utilize self-registration for the GoAnywhere Web Client. This vulnerability could potentially allow an external user who self-registers with a specific username and/or profile information to gain access to files at a higher directory level than intended.
Conclusion & alert: CVE-2021-46830 is rated Moderate Risk (49.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.57%). 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 | 2025-09-30 | 0.70% | 0.57% | -0.13% |
| 2 | 2025-07-29 | 0.36% | 0.70% | +0.34% |
| 3 | 2025-04-21 | — | 0.36% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| helpsystems | goanywhere_managed_file_transfer | < 6.8.3 | cpe:2.3:a:helpsystems:goanywhere_managed_file_transfer:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://my.goanywhere.com/webclient/ViewSecurityAdvisories.xhtml | Permissions Required Third Party Advisory |
| https://www.goanywhere.com/support/advisory/68x | Mitigation Vendor Advisory |
| https://www.goanywhere.com/support/release-notes/mft?limit=0 | Release Notes Vendor Advisory |