CVE-2021-46830

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.

Published: 2022-07-27 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2021-46830

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-46830

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 3.6 [email protected]

Weakness enumeration for CVE-2021-46830

Affected software / configurations for CVE-2021-46830

Vendor Product Version Raw CPE
helpsystems goanywhere_managed_file_transfer < 6.8.3 cpe:2.3:a:helpsystems:goanywhere_managed_file_transfer:*:*:*:*:*:*:*:*

References for CVE-2021-46830

cvelogic Threat Intelligence