Description
Improper authentication in the Web Transfer Module of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an attacker with a user’s password to access certain files associated with that account without satisfying multi-factor authentication requirements.
Published: 2026-10-29
Score: 4.3 Medium
EPSS: n/a
KEV: No
Impact: Unauthorized File Access
Action: Apply Workaround
AI Analysis

Impact

The vulnerability is an improper authentication flaw in the Web Transfer Module of Progress Software WS_FTP Server that allows an attacker who has a user’s password to access files associated with that account without satisfying the required multi‑factor authentication, as described for Windows versions prior to 2024.0.7 and 2025.0.4. The flaw is aligned with CWE‑287 and CWE‑308.

Affected Systems

Progress Software WS_FTP Server on Windows versions before 2024.0.7 and 2025.0.4.

Risk and Exploitability

The CVSS score of 4.3 indicates moderate severity. No EPSS score is available and the vulnerability is not listed in CISA KEV. Exploitation requires an attacker to possess a valid user password and to have access to the Web Transfer Module, limiting exposure to users who can reach the web interface.

Generated by OpenCVE AI on October 29, 2026 at 18:28 UTC.

Remediation

Vendor Workaround

Restrict Web Transfer Module access to trusted networks and users, and disable Web Transfer functionality if it is not required. Contact Progress Software Technical Support for guidance on available mitigations.

OpenCVE Recommended Actions

  • Restrict Web Transfer Module access to trusted networks and users.
  • Disable the Web Transfer functionality if it is not required.
  • Contact Progress Software Technical Support for guidance on available mitigations.

Generated by OpenCVE AI on October 29, 2026 at 18:28 UTC.

Tracking

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Advisories

No advisories yet.

History

Thu, 29 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
Description Improper authentication in the Web Transfer Module of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an attacker with a user’s password to access certain files associated with that account without satisfying multi-factor authentication requirements.
Title Web Transfer Module Multi-Factor Authentication Bypass in Progress WS_FTP Server
Weaknesses CWE-287
CWE-308
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: ProgressSoftware

Published:

Updated: 2026-10-29T15:48:42.885Z

Reserved: 2026-09-14T06:09:55.847Z

Link: CVE-2026-90862

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-29T16:20:04.220

Modified: 2026-10-29T16:24:53.840

Link: CVE-2026-90862

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-29T18:30:14Z

Weaknesses
  • CWE-287

    Improper Authentication

  • CWE-308

    Use of Single-factor Authentication