What is the CVSS score of CVE-2025-53900?

CVE-2025-53900 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.0%.

Which versions of Kiteworks Managed File Transfer are affected by CVE-2025-53900?

CVE-2025-53900 presents notable security risk rated CVSS 6.5. Exploitation could compromise the security of affected deployments.. A patch is available.

How to fix or mitigate CVE-2025-53900?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Kiteworks Managed File Transfer CVE-2025-53900

MEDIUM

Privilege Defined With Unsafe Actions (CWE-267)

2025-11-29 security-advisories@github.com

Privilege Escalation Kiteworks Managed File Transfer

6.5

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:24 vuln.today

Patch released

Mar 28, 2026 - 19:24 nvd

Patch available

CVE Published

Nov 29, 2025 - 03:15 nvd

MEDIUM 6.5

DescriptionGitHub Advisory

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.

AnalysisAI

Kiteworks MFT orchestrates end-to-end file transfer workflows. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-267. 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. Affected products include: Accellion Kiteworks Managed File Transfer. Version information: version 9.1.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.