CVE-2025-53900
CVE-2025-53900 is a medium-severity vulnerability in Accellion Kiteworks Managed File Transfer with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-267.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-199895
- Weakness: CWE-267
- Affected product: Accellion Kiteworks Managed File Transfer
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-53900?
- 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.
- How severe is CVE-2025-53900?
- CVE-2025-53900 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2025-53900 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-53900?
- CVE-2025-53900 affects Accellion Kiteworks Managed File Transfer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-53900?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-53900 have an EU (EUVD) identifier?
- Yes. CVE-2025-53900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199895.
- When was CVE-2025-53900 published?
- CVE-2025-53900 was published on 2025-11-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:accellion:kiteworks_managed_file_transfer:*:*:*:*:*:*:*:*
More vulnerabilities in Accellion Kiteworks Managed File Transfer
- CVE-2025-53899 — High (CVSS 7.2): Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, the back-end of Kiteworks MFT is…
- CVE-2025-53896 — High (CVSS 7.1): Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, a bug in Kiteworks MFT could…
- CVE-2025-53897 — Medium (CVSS 6.8): Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, this vulnerability could allow…
All CVEs affecting Accellion Kiteworks Managed File Transfer →
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