Is CVE-2025-53900 in the CISA KEV catalog?

No. CVE-2025-53900 is not currently on the CISA Known Exploited Vulnerabilities list.

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

CVE-2025-53900 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-53900?

CVE-2025-53900 has an EPSS score of 1.00% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-53900?

Upgrade kiteworks managed file transfer to 9.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2025-53900

MEDIUM

6.5

CVSS v3

NVD

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.

CWE-267

How to fix

Remediation Available

kiteworks managed file transferNVD

Affected:< 9.1.0Fixed in:9.1.0CVE-2025-53900derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.00%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Patch1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-03.