TI-2025-33773 Aliases CVE-2025-53900

Kiteworks MFT has a Privilege Defined With Unsafe Actions

MEDIUM 40CWE-267Published 2025-11-29 · Updated 2025-12-01

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, an unfavourable definition of roles and permissions in Kiteworks MFT on managing Connections could lead to unexpected escalation of privileges for authorized users. This issue has been patched in version 9.1.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01219 68th percentileScored 2026-11-07

Fix Fixed security-advisories (kiteworks): 9.1.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Accellion	security-advisories	before 9.1.0	9.1.0	Patch available	CNA

security-advisories VendorAccellion Affected before 9.1.0 Fixed in 9.1.0 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:accellion:kiteworks_managed_file_transfer::::::::	before 9.1.0	Vulnerable	Accellion

cpe:2.3:a:accellion:kiteworks_managed_file_transfer:*:*:*:*:*:*:*:* Versions before 9.1.0 Vulnerable ·Accellion

Remediation

Fix · CNA security-advisories (kiteworks) Fixed in 9.1.0

Timeline

2026-10-02 Threatist record created from CVE-2025-53900

References

Patch 1

https://github.com/kiteworks/security-advisories/security/advisories/GHSA-gjq3-8v6p-2h6h

TI-2025-33770 Kiteworks MFT is vulnerable to Insufficient Session Expiration CVSS 3.1HIGH 8.1
TI-2025-33772 Kiteworks MFT is vulnerable to an Incorrectly Specified Destination in a Communication Channel CVSS 3.1HIGH 7.2
TI-2025-33771 Kiteworks MFT has a Cross-Site Request Forgery (CSRF) vulnerability CVSS 3.1MEDIUM 6.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences