Kiteworks MFT orchestrates end-to-end file transfer workflows.
CVE-2025-53896 is a high-severity vulnerability in security-advisories from Kiteworks, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected security-advisories versions: < 9.1.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.21% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Kiteworks Managed File Transfer to 9.1.0 or a later version.
- Read the advisory on github.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Kiteworks | security-advisories | < 9.1.0 | Not stated |
| Accellion | Kiteworks Managed File Transfer | before 9.1.0 | 9.1.0 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.1 | High | CNA (github.com) |
| CVSS 3.1 | 8.1 | High | NVD |
Official description
Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, a bug in Kiteworks MFT could cause under certain circumstances that a user's active session would not properly time out due to inactivity. This issue has been patched in version 9.1.0.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Advisories
- github.com/kiteworks/security-advisories/security/advisories/GHSA-23h2-3jj8-58hmThird Party Advisory
Other vulnerabilities in security-advisories
- 7.2 High severity
- 8.8 High severity
- 8.8 High severity
- 8.8 High severity
- 7.2 High severity
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