HOMEVULNERABILITIESCVE-2025-53900
HIGH

CVE-2025-53900

CWE-267Published: November 29, 2025· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2025-53900 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

accellion1 product(s)
kiteworks managed file transfer
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

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

All References (1)

→
https://github.com/kiteworks/security-advisories/security/advisories/GHSA-gjq3-8v6p-2h6hPatch · Third Party Advisory

Quick Facts

CVE IDCVE-2025-53900
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-267
CISA KEVNo
Affected1 vendor(s)
PublishedNov 29, 2025

Related CVEs (CWE-267)

CVE-2021-44547
9.1
CVE-2023-32457
8.8
CVE-2023-41966
8.8
CVE-2023-2983
8.8
CVE-2024-55968
8.8
CVE-2020-29396
8.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-53900 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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